8=7-2(7x+2)

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Solution for 8=7-2(7x+2) equation:


Simplifying
8 = 7 + -2(7x + 2)

Reorder the terms:
8 = 7 + -2(2 + 7x)
8 = 7 + (2 * -2 + 7x * -2)
8 = 7 + (-4 + -14x)

Combine like terms: 7 + -4 = 3
8 = 3 + -14x

Solving
8 = 3 + -14x

Solving for variable 'x'.

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

Add '14x' to each side of the equation.
8 + 14x = 3 + -14x + 14x

Combine like terms: -14x + 14x = 0
8 + 14x = 3 + 0
8 + 14x = 3

Add '-8' to each side of the equation.
8 + -8 + 14x = 3 + -8

Combine like terms: 8 + -8 = 0
0 + 14x = 3 + -8
14x = 3 + -8

Combine like terms: 3 + -8 = -5
14x = -5

Divide each side by '14'.
x = -0.3571428571

Simplifying
x = -0.3571428571

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