3x+4x=5(x-8)

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Solution for 3x+4x=5(x-8) equation:


Simplifying
3x + 4x = 5(x + -8)

Combine like terms: 3x + 4x = 7x
7x = 5(x + -8)

Reorder the terms:
7x = 5(-8 + x)
7x = (-8 * 5 + x * 5)
7x = (-40 + 5x)

Solving
7x = -40 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
7x + -5x = -40 + 5x + -5x

Combine like terms: 7x + -5x = 2x
2x = -40 + 5x + -5x

Combine like terms: 5x + -5x = 0
2x = -40 + 0
2x = -40

Divide each side by '2'.
x = -20

Simplifying
x = -20

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