Adding and Subtracting Equations
2v = 20
v= 10
10m + 6m - 2m - 10m
4m
Last week Daniel ran 6 miles more than Jasmine. Daniel ran 24 miles. How many miles did Jasmine run? Please write an equation and then solve for the missing variable.
d = 6 + j; j = 18 miles
M - 8 = 32
m = 40
8b = 64
b = 8
7n + 2 - 5n + 4
2n + 6
Heather wants to buy a comic book that costs $3. How much change does she receive if she gives the cashier $5? Please write an equation and then solve
x + 3 = 5; x = 2; 2 dollars
z + 1.6 = 20.00
x = 18.4
n/3 = 5
n = 15
4x - 2 + 6x
10x - 2
Chelsea was 76 years old thirteen years ago. How old is she now? Please write an equation and then solve for the missing variable.
x - 13 = 76; x = 89. Chelsea is 89 years old
h + 25 = 49
h = 24
25j = 150
j= 6
3 - 3n + 4 + 6n
3n + 7
Last week Mark ran 31 miles more than Jack. Mark ran 46 miles. How many miles did Jack run? Please write an equation and then solve for the missing variable.
M = 31 + J; J = 15 miles
x + 18 = 145
x = 127
k/8 = 12
k = 96
5u + 8u + 15 + 10u
23u + 15
Krystal won 55 lollipops playing the bean bag toss. After giving some away she only has 37 remaining. How many did she give away? Please write an equation and then solve for the missing variable.
x + 37 = 55; x = 18