Write variable expressions
Write an expression for the operation described below.
add m and 5
m + 5
Write the sentence as an equation.
121 is 45 divided by v
121 = 45 / v
Solve for y.
5y − –12 = 67
y = 11
Use the function q=m–3 to find the value of q when m=7.
q = 4
Evaluate the expression for d = 5 and f = –5.
(d - f) / f
Simplify your answer.
-2
Write an expression for the sequence of operations described below.
add 4 and 9, then subtract w from the result
Do not simplify any part of the expression.
(4 + 9) - w
Write the sentence as an equation.
34 and m more is the same as 36
34 + m = 36
Solve for y.
–4y + –8 = 4
y = -3
Use the function b=10r to find the value of b when r=2.
b = 20
Evaluate the expression for p = –6 and q = –6. Simplify your answer.
(pq - q) / p
-7
Write an expression for the sequence of operations described below.
multiply e by 8, then add m to the result
Do not simplify any part of the expression.
8e + m
Write the sentence as an equation.
258 less than the quantity d times 81 equals 2112
81d - 258 = 2112
Solve for n.
–(n − 15) = 8
n = 7
Read the following description of a relationship:
Harper is a software engineer. Every week she spends 38 hours writing code and the rest of her work hours in meetings.
Let w represent the number of hours in meetings and c represent the total number of work hours. Find the value of c when w=8.
c = 46
Evaluate the expression for k = –22.
Write your answer as a decimal or whole number.
–1.4k =
30.8
JB bought a bag of 50 sour candies. He ate
c of the candies. Write an expression that shows how many sour candies JB has now.
50 - c
Write the sentence as an equation.
the quotient of 212 and k equals the quotient of v and 390
212/k = v/390
Solve for g.
4.1 − 4g = 18.86
g = -3.69
Read the following description of a relationship:
At Rodrigo's restaurant and bakery, each cake is cut into 36 pieces.
Let c represent the number of cakes and p represent the total pieces of cake. Find the value of p when c=9.
p = 324
Evaluate the expression for r = –18 and s = 1.
Simplify your answer.
(rs2 − r) /8 =
0
Nay Nay needs c cups of flour to make cookies. She has 8 cups of flour in her cupboard. Write an expression that shows how many cups of flour Nay Nay will have left after making the cookies.
8 - c
Write the sentence as an equation.
q times 196 is equal to q reduced by 161
196q = q - 161
Solve for g.
(g + 1.1) / -1 = - 1.5
g = 0.4
Read the following description of a relationship:
An engineer is constructing a Newton's pendulum using a frame that weighs 32 kilograms and steel balls that weigh 11 kilograms each.
Let b represent the number of steel balls used and w represent the total weight of the pendulum. Find the value of w when b=2.
w = 54
Evaluate the expression for s = 8, t = 19, and u = –9. Simplify your answer.
(su) / (s2 - t + u)
-2