7[2x+5]-5[2x-2]=135

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Solution for 7[2x+5]-5[2x-2]=135 equation:


Simplifying
7[2x + 5] + -5[2x + -2] = 135

Reorder the terms:
7[5 + 2x] + -5[2x + -2] = 135
[5 * 7 + 2x * 7] + -5[2x + -2] = 135
[35 + 14x] + -5[2x + -2] = 135

Reorder the terms:
35 + 14x + -5[-2 + 2x] = 135
35 + 14x + [-2 * -5 + 2x * -5] = 135
35 + 14x + [10 + -10x] = 135

Reorder the terms:
35 + 10 + 14x + -10x = 135

Combine like terms: 35 + 10 = 45
45 + 14x + -10x = 135

Combine like terms: 14x + -10x = 4x
45 + 4x = 135

Solving
45 + 4x = 135

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 4x = 135 + -45

Combine like terms: 45 + -45 = 0
0 + 4x = 135 + -45
4x = 135 + -45

Combine like terms: 135 + -45 = 90
4x = 90

Divide each side by '4'.
x = 22.5

Simplifying
x = 22.5

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