5x+3+7x+5=15x-18

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Solution for 5x+3+7x+5=15x-18 equation:


Simplifying
5x + 3 + 7x + 5 = 15x + -18

Reorder the terms:
3 + 5 + 5x + 7x = 15x + -18

Combine like terms: 3 + 5 = 8
8 + 5x + 7x = 15x + -18

Combine like terms: 5x + 7x = 12x
8 + 12x = 15x + -18

Reorder the terms:
8 + 12x = -18 + 15x

Solving
8 + 12x = -18 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
8 + 12x + -15x = -18 + 15x + -15x

Combine like terms: 12x + -15x = -3x
8 + -3x = -18 + 15x + -15x

Combine like terms: 15x + -15x = 0
8 + -3x = -18 + 0
8 + -3x = -18

Add '-8' to each side of the equation.
8 + -8 + -3x = -18 + -8

Combine like terms: 8 + -8 = 0
0 + -3x = -18 + -8
-3x = -18 + -8

Combine like terms: -18 + -8 = -26
-3x = -26

Divide each side by '-3'.
x = 8.666666667

Simplifying
x = 8.666666667

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