Just "Write" Expressions and Equations
Write the algebraic expression: The sum of three and w
3 + w
If a = 7, evaluate the following: 2a - 2
12
I am x years old now. What was my age 15 years ago?
x - 15
simplify:
a + a + a
3a
Algebraically solve, and show your work. 3x = 21
x = 7
Write the algebraic expression: The 5 subtracted from x
x - 5
If r = 6 and s = 4, evaluate the following: 2r/s
3
I am x years old. My mom is 20 years older than I am. How old is my mom?
x + 20
2a + 3c - a + 10c
a + 13c
Algebraically solve, and show your work. g + 7 = 12
g = 5
Write the algebraic expression: the sum of 3 and x divided to y
(3 + x) / y
If a = 3, b = 5 and c = 11, evaluate the following: 3c - ab
18
Alex is x years old
Bob is thrice as old as Alex
How old is Bob?
3x
14x + 20y - 3x + 8
11x + 20y + 8
Write the algebraic expression: two less than five times k
Answers vary. 5k - 2
If y = 4, and z = 10, evaluate the following: z(3 + y)
70
Gerry is x years old
Anne is 2/3 of Gerry's of age
How old is Anne 15 years from now?
Anne = (2/3 x) + 15
25 + 16x - 5 + 8y - 6x + 2y
20 +10x +10y
Write the algebraic equation for the following verbal equation: Two more than the quotient of a number m and five is equal to 26
What is m/5 + 2 = 26
If a = 3, b= 4 and c = 5, evaluate the following: a(b + c) - a
24
Kat and Sarah are best friends. Sarah is 36 years less than double Kat's age.
How old is Sarah if Kat's age is x years old?
2x - 36
9(2x + 3) + 2(x-10)
18x+27+2x- 20
Answer - 20x + 7
You charge $5 for your babysitting service, plus four dollars for each hour that you babysit. Write an algebraic expression for this, and then evaluate your expression to find out how much you would make if you babysit for six hours.
Algebraic expression is 5 + 4r
5 + (4 x 6) = $29