4x+(7x+5)+(7x+4)=135

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Solution for 4x+(7x+5)+(7x+4)=135 equation:


Simplifying
4x + (7x + 5) + (7x + 4) = 135

Reorder the terms:
4x + (5 + 7x) + (7x + 4) = 135

Remove parenthesis around (5 + 7x)
4x + 5 + 7x + (7x + 4) = 135

Reorder the terms:
4x + 5 + 7x + (4 + 7x) = 135

Remove parenthesis around (4 + 7x)
4x + 5 + 7x + 4 + 7x = 135

Reorder the terms:
5 + 4 + 4x + 7x + 7x = 135

Combine like terms: 5 + 4 = 9
9 + 4x + 7x + 7x = 135

Combine like terms: 4x + 7x = 11x
9 + 11x + 7x = 135

Combine like terms: 11x + 7x = 18x
9 + 18x = 135

Solving
9 + 18x = 135

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 18x = 135 + -9

Combine like terms: 9 + -9 = 0
0 + 18x = 135 + -9
18x = 135 + -9

Combine like terms: 135 + -9 = 126
18x = 126

Divide each side by '18'.
x = 7

Simplifying
x = 7

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