Combining Like Terms, Expressions & Equations
9x + 10y - 15x + 12y
-6x + 22y
Solve:
x + 10 = 15
x = 5
Solve:
2x + 10 = 12
x = 1
Solve:
2(3n + 7) = -22
n = -6
Write a variable expression to represent 8 more than twice a number.
2x + 8 or 8 + 2x
Solve:
y - 15 = 12
y = 27
Solve:
22 = -y + 15
y = -7
Solve:
5(h + 11) = 20
h = -7
Write an expression to represent 8 less than a number.
n - 8
Solve:
3x = 15
x = 5
Solve:
1 = x/3 - 15
x = 48
Solve:
2(a - 4) = 13
a= 21/2
Write an equation to represent the following: The total cost (C) of some shirts (T), if the shirts cost $15 dollars
C = 15T
Solve:
x/4 = -12
x=-48
Solve:
-4x + 3(2x - 5) = 31
x = 23
Write an equation to represent the following. What is the total change (C) you will receive when you pay for 4 bananas (B) with $20?
C = 20 - 4B
Solve:
-4y = -240
y = 60
Solve:
12=-y/4-8
What is y = -80?
Solve:
2/3(9b - 27) = 36
What is b = 9?