2[7-(-2x-2)]=28x+42

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Solution for 2[7-(-2x-2)]=28x+42 equation:


Simplifying
2[7 + -1(-2x + -2)] = 28x + 42

Reorder the terms:
2[7 + -1(-2 + -2x)] = 28x + 42
2[7 + (-2 * -1 + -2x * -1)] = 28x + 42
2[7 + (2 + 2x)] = 28x + 42

Combine like terms: 7 + 2 = 9
2[9 + 2x] = 28x + 42
[9 * 2 + 2x * 2] = 28x + 42
[18 + 4x] = 28x + 42

Reorder the terms:
18 + 4x = 42 + 28x

Solving
18 + 4x = 42 + 28x

Solving for variable 'x'.

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

Add '-28x' to each side of the equation.
18 + 4x + -28x = 42 + 28x + -28x

Combine like terms: 4x + -28x = -24x
18 + -24x = 42 + 28x + -28x

Combine like terms: 28x + -28x = 0
18 + -24x = 42 + 0
18 + -24x = 42

Add '-18' to each side of the equation.
18 + -18 + -24x = 42 + -18

Combine like terms: 18 + -18 = 0
0 + -24x = 42 + -18
-24x = 42 + -18

Combine like terms: 42 + -18 = 24
-24x = 24

Divide each side by '-24'.
x = -1

Simplifying
x = -1

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