3(5+x)=66

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Solution for 3(5+x)=66 equation: 



3(5+x)=66

We move all terms to the left:

3(5+x)-(66)=0

We add all the numbers together, and all the variables

3(x+5)-66=0

We multiply parentheses

3x+15-66=0

We add all the numbers together, and all the variables

3x-51=0

We move all terms containing x to the left, all other terms to the right

3x=51

x=51/3

x=17

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