7[-2x-4-2(x+1)]=7x+3

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Solution for 7[-2x-4-2(x+1)]=7x+3 equation:


Simplifying
7[-2x + -4 + -2(x + 1)] = 7x + 3

Reorder the terms:
7[-2x + -4 + -2(1 + x)] = 7x + 3
7[-2x + -4 + (1 * -2 + x * -2)] = 7x + 3
7[-2x + -4 + (-2 + -2x)] = 7x + 3

Reorder the terms:
7[-4 + -2 + -2x + -2x] = 7x + 3

Combine like terms: -4 + -2 = -6
7[-6 + -2x + -2x] = 7x + 3

Combine like terms: -2x + -2x = -4x
7[-6 + -4x] = 7x + 3
[-6 * 7 + -4x * 7] = 7x + 3
[-42 + -28x] = 7x + 3

Reorder the terms:
-42 + -28x = 3 + 7x

Solving
-42 + -28x = 3 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-42 + -28x + -7x = 3 + 7x + -7x

Combine like terms: -28x + -7x = -35x
-42 + -35x = 3 + 7x + -7x

Combine like terms: 7x + -7x = 0
-42 + -35x = 3 + 0
-42 + -35x = 3

Add '42' to each side of the equation.
-42 + 42 + -35x = 3 + 42

Combine like terms: -42 + 42 = 0
0 + -35x = 3 + 42
-35x = 3 + 42

Combine like terms: 3 + 42 = 45
-35x = 45

Divide each side by '-35'.
x = -1.285714286

Simplifying
x = -1.285714286

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