Solving Equations by Addition,Subtraction, Multiplication, & Division
r-21= -37
What is r = -16
4p - 7 = 5
What is p = 3
n-2=4 - 2n
What is n = 2
Solve the proportion (6/15) = (n/15)
What is 18
What is x= y/5
r + (-1/2) = -3/4
What is r = -1/4
6 = 4v +2
What is v = 1
3-4q = 10q +10
What is q = -0.5
What is x = a/y-c
6x = -42
What is x = -7
(c/-4) -8=-42
What is c = 136
5t - 9 = -3t +7
What is t = 2
Solve the percent of change.
Original price: $40 New price: $32
What is 20%
What is y= (b + c)/a
(5/2)a = -25
What is a = -10
(y/3) + 6=-45
What is y = -153
3(1 +d)-5 = 3d -2
What is any number
Solve the percent of change.
Original cost: $50 New cost: $88
What is 76%
What is y= (3x - 7)/4
5 = r/2
What is r = 10
(4d + 5)/7 = 7
What is d = 11
4(f -2) = 4f
What is no solution!
What is 6%
What is m = (y-b)/x