12(x+5)=144 2(x-26)=80 1.5(x-1.2)=2.5 8(x-6.4)=42.4 4(x+15)=802x+5x=35 2.5x+0.05x=10.2

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12(x+5)=1442(x-26)=801.5(x-1.2)=2.58(x-6.4)=42.44(x+15)=802x+5x=352.5x+0.05x=10.212(x+5)=1442(x-26)=

12(x+5)=144 2(x-26)=80 1.5(x-1.2)=2.5 8(x-6.4)=42.4 4(x+15)=802x+5x=35 2.5x+0.05x=10.2
12(x+5)=144 2(x-26)=80 1.5(x-1.2)=2.5 8(x-6.4)=42.4 4(x+15)=80
2x+5x=35 2.5x+0.05x=10.2

12(x+5)=144 2(x-26)=80 1.5(x-1.2)=2.5 8(x-6.4)=42.4 4(x+15)=802x+5x=35 2.5x+0.05x=10.2
12(x+5)=144
x+5=12
x=7
2(x-26)=80
x-26=40
x=66
1.5(x-1.2)=2.5
15(x-1.2)=25
x-1.2=5/3
x=5/3+(6/5)
x=43/15
8(x-6.4)=42.4
x-6.4=5.3
x=11.7
4(x+15)=80
x+15=20
x=5
2x+5x=35
7x=35
x=5
2.5x+0.05x=10.2
2.55x=10.2
x=4

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