1
What operation would you use to solve this equation, x + 7 = 13
subtraction
What operation would you use to solve this equation, x - 7 = 13
addition
What operation would you use to solve this equation, 7x = 21
What is division?
What operation would you use to solve this equation, x ÷ 4 = 4
What is multiplication?
a + 3 = 24
a=21
x - 3 = 24
x=27
5b = 15
b=3
b ÷ 3 = 5
b=15
x/ 3 = 4
12
m + 89 = 108
m=19
m - 27 = 94
m=121
2d = 150
d=75
p ÷ 4 = 4
p=16
x/20 = -10
x = -300
t + 78 = 88
t=10
p - 89 = 108
p=197
6c = 36
c=6
n ÷ 6 = 9
n=54
x/9 =8
x = 72
p + 155 = 174
p=19
t - 78 = 93
171
14e=84
e=6
g ÷ 4 = 12
g=48
2x/ 5 = 1
x= 5 /2