7x+8=4(3x-20)

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Solution for 7x+8=4(3x-20) equation:


Simplifying
7x + 8 = 4(3x + -20)

Reorder the terms:
8 + 7x = 4(3x + -20)

Reorder the terms:
8 + 7x = 4(-20 + 3x)
8 + 7x = (-20 * 4 + 3x * 4)
8 + 7x = (-80 + 12x)

Solving
8 + 7x = -80 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
8 + 7x + -12x = -80 + 12x + -12x

Combine like terms: 7x + -12x = -5x
8 + -5x = -80 + 12x + -12x

Combine like terms: 12x + -12x = 0
8 + -5x = -80 + 0
8 + -5x = -80

Add '-8' to each side of the equation.
8 + -8 + -5x = -80 + -8

Combine like terms: 8 + -8 = 0
0 + -5x = -80 + -8
-5x = -80 + -8

Combine like terms: -80 + -8 = -88
-5x = -88

Divide each side by '-5'.
x = 17.6

Simplifying
x = 17.6

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