3(x+1)=8(x-4)

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Solution for 3(x+1)=8(x-4) equation:


Simplifying
3(x + 1) = 8(x + -4)

Reorder the terms:
3(1 + x) = 8(x + -4)
(1 * 3 + x * 3) = 8(x + -4)
(3 + 3x) = 8(x + -4)

Reorder the terms:
3 + 3x = 8(-4 + x)
3 + 3x = (-4 * 8 + x * 8)
3 + 3x = (-32 + 8x)

Solving
3 + 3x = -32 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
3 + 3x + -8x = -32 + 8x + -8x

Combine like terms: 3x + -8x = -5x
3 + -5x = -32 + 8x + -8x

Combine like terms: 8x + -8x = 0
3 + -5x = -32 + 0
3 + -5x = -32

Add '-3' to each side of the equation.
3 + -3 + -5x = -32 + -3

Combine like terms: 3 + -3 = 0
0 + -5x = -32 + -3
-5x = -32 + -3

Combine like terms: -32 + -3 = -35
-5x = -35

Divide each side by '-5'.
x = 7

Simplifying
x = 7

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