7(x+1)=-3(x-1)

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Solution for 7(x+1)=-3(x-1) equation:


Simplifying
7(x + 1) = -3(x + -1)

Reorder the terms:
7(1 + x) = -3(x + -1)
(1 * 7 + x * 7) = -3(x + -1)
(7 + 7x) = -3(x + -1)

Reorder the terms:
7 + 7x = -3(-1 + x)
7 + 7x = (-1 * -3 + x * -3)
7 + 7x = (3 + -3x)

Solving
7 + 7x = 3 + -3x

Solving for variable 'x'.

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

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

Combine like terms: 7x + 3x = 10x
7 + 10x = 3 + -3x + 3x

Combine like terms: -3x + 3x = 0
7 + 10x = 3 + 0
7 + 10x = 3

Add '-7' to each side of the equation.
7 + -7 + 10x = 3 + -7

Combine like terms: 7 + -7 = 0
0 + 10x = 3 + -7
10x = 3 + -7

Combine like terms: 3 + -7 = -4
10x = -4

Divide each side by '10'.
x = -0.4

Simplifying
x = -0.4

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