7x+2(5x+15)=166

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Solution for 7x+2(5x+15)=166 equation:


Simplifying
7x + 2(5x + 15) = 166

Reorder the terms:
7x + 2(15 + 5x) = 166
7x + (15 * 2 + 5x * 2) = 166
7x + (30 + 10x) = 166

Reorder the terms:
30 + 7x + 10x = 166

Combine like terms: 7x + 10x = 17x
30 + 17x = 166

Solving
30 + 17x = 166

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-30' to each side of the equation.
30 + -30 + 17x = 166 + -30

Combine like terms: 30 + -30 = 0
0 + 17x = 166 + -30
17x = 166 + -30

Combine like terms: 166 + -30 = 136
17x = 136

Divide each side by '17'.
x = 8

Simplifying
x = 8

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