Solve for x
x=1
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5+10+15+x+9=8\times 5
Multiply both sides by 5.
15+15+x+9=8\times 5
Add 5 and 10 to get 15.
30+x+9=8\times 5
Add 15 and 15 to get 30.
39+x=8\times 5
Add 30 and 9 to get 39.
39+x=40
Multiply 8 and 5 to get 40.
x=40-39
Subtract 39 from both sides.
x=1
Subtract 39 from 40 to get 1.
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