-3(x+1)=5-(7x-8)

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Solution for -3(x+1)=5-(7x-8) equation:


Simplifying
-3(x + 1) = 5 + -1(7x + -8)

Reorder the terms:
-3(1 + x) = 5 + -1(7x + -8)
(1 * -3 + x * -3) = 5 + -1(7x + -8)
(-3 + -3x) = 5 + -1(7x + -8)

Reorder the terms:
-3 + -3x = 5 + -1(-8 + 7x)
-3 + -3x = 5 + (-8 * -1 + 7x * -1)
-3 + -3x = 5 + (8 + -7x)

Combine like terms: 5 + 8 = 13
-3 + -3x = 13 + -7x

Solving
-3 + -3x = 13 + -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.
-3 + -3x + 7x = 13 + -7x + 7x

Combine like terms: -3x + 7x = 4x
-3 + 4x = 13 + -7x + 7x

Combine like terms: -7x + 7x = 0
-3 + 4x = 13 + 0
-3 + 4x = 13

Add '3' to each side of the equation.
-3 + 3 + 4x = 13 + 3

Combine like terms: -3 + 3 = 0
0 + 4x = 13 + 3
4x = 13 + 3

Combine like terms: 13 + 3 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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