5x+4+5x+8=9x+4

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Solution for 5x+4+5x+8=9x+4 equation:


Simplifying
5x + 4 + 5x + 8 = 9x + 4

Reorder the terms:
4 + 8 + 5x + 5x = 9x + 4

Combine like terms: 4 + 8 = 12
12 + 5x + 5x = 9x + 4

Combine like terms: 5x + 5x = 10x
12 + 10x = 9x + 4

Reorder the terms:
12 + 10x = 4 + 9x

Solving
12 + 10x = 4 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
12 + 10x + -9x = 4 + 9x + -9x

Combine like terms: 10x + -9x = 1x
12 + 1x = 4 + 9x + -9x

Combine like terms: 9x + -9x = 0
12 + 1x = 4 + 0
12 + 1x = 4

Add '-12' to each side of the equation.
12 + -12 + 1x = 4 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 4 + -12
1x = 4 + -12

Combine like terms: 4 + -12 = -8
1x = -8

Divide each side by '1'.
x = -8

Simplifying
x = -8

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