1
2x−4=5x+9
2x−4=5x+9
−4−9=5x−2x
−13=3x
x=
3d−8=2d+4
3d−2d=4+8
d=12
9l−8=5l+12
4l=20
l=5
Sarah and John are comparing their savings. Sarah has $4n - 8, and John has $2n + 12. If they have the same amount of money, how much do they each have?
4n−8=2n+12
n=10
4y+7=3y−2
4y−3y=−2−7
y=−9
9e+5=4e−10
5e=−15
e=−3
3n+11=8n−4
15=5n
n=3
Emily’s savings account balance is $6n - 3, while her brother’s balance is $4n + 9. If their balances are the same, how much is each of their balances?
6n−3=4n+9
6m−3=9m+15
−18=3m
m=−6
10f−7=6f+13
4f=20
f=5
7p−9=2p+6
5p=15
p=3
Lisa buys 2n + 15 oranges, and her friend buys 5n - 3 oranges. If they bought the same number of oranges, how many oranges did each person buy?
2n+15=5n−3
8a+10=5a−8
3a=−18
a=−6
4h−2=6h+8
−2h=10
h=−5
2s−4=6s+12
−4s=16
s=−4
5c+3=8c−9
12=3c
c=4
5i+14=3i−10
2i=−24
i=−12
4v+9=7v−3
−3v=−12
v=4