3x+2(5x+9)=135

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Solution for 3x+2(5x+9)=135 equation:


Simplifying
3x + 2(5x + 9) = 135

Reorder the terms:
3x + 2(9 + 5x) = 135
3x + (9 * 2 + 5x * 2) = 135
3x + (18 + 10x) = 135

Reorder the terms:
18 + 3x + 10x = 135

Combine like terms: 3x + 10x = 13x
18 + 13x = 135

Solving
18 + 13x = 135

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 13x = 135 + -18

Combine like terms: 18 + -18 = 0
0 + 13x = 135 + -18
13x = 135 + -18

Combine like terms: 135 + -18 = 117
13x = 117

Divide each side by '13'.
x = 9

Simplifying
x = 9

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