8x+4=-8+5x+21

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Solution for 8x+4=-8+5x+21 equation:


Simplifying
8x + 4 = -8 + 5x + 21

Reorder the terms:
4 + 8x = -8 + 5x + 21

Reorder the terms:
4 + 8x = -8 + 21 + 5x

Combine like terms: -8 + 21 = 13
4 + 8x = 13 + 5x

Solving
4 + 8x = 13 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
4 + 8x + -5x = 13 + 5x + -5x

Combine like terms: 8x + -5x = 3x
4 + 3x = 13 + 5x + -5x

Combine like terms: 5x + -5x = 0
4 + 3x = 13 + 0
4 + 3x = 13

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

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

Combine like terms: 13 + -4 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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