15x+7=2(10x-4)

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Solution for 15x+7=2(10x-4) equation:


Simplifying
15x + 7 = 2(10x + -4)

Reorder the terms:
7 + 15x = 2(10x + -4)

Reorder the terms:
7 + 15x = 2(-4 + 10x)
7 + 15x = (-4 * 2 + 10x * 2)
7 + 15x = (-8 + 20x)

Solving
7 + 15x = -8 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
7 + 15x + -20x = -8 + 20x + -20x

Combine like terms: 15x + -20x = -5x
7 + -5x = -8 + 20x + -20x

Combine like terms: 20x + -20x = 0
7 + -5x = -8 + 0
7 + -5x = -8

Add '-7' to each side of the equation.
7 + -7 + -5x = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -5x = -8 + -7
-5x = -8 + -7

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

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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