1. Combining Like Terms with Addition
3x+5+2x+4
5x+9
4x+3−2x+7+x
3x+10
x−3=4
2x+5=15
x=5
3x+2x−7+6=34
x=7
7a+2b+3a+b+1
10a+3b+1
5a+8−3a+2+a−4
3a+6
x+12=34
x=22
4x+12=52
x=10
6x−4+2x−11=33
x=6
2p+4+5p+6+p
8p+10
9p+5−4p+8+p−2
6p+11
x+513=1025
x=512
8x+21=101
x=10
9x+4−5x+15=75
x=14
6m+1+4m+3+m+5
11m+9
4x+3−2x+7+3x−4
5x+6
x+781=1667
x=886
10x+33=133
x=10
9x+4−3x=52
x=8
13t+7+4t+2+t+5
18t+14
12s+8−3s+5+4s−6
13s+7
x−987=1231
x=2218
11x−4=107
x=10
4x+12−2x=20
x=4