9x+8=x+4

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


Simplifying
9x + 8 = x + 4

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

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

Solving
8 + 9x = 4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
8 + 9x + -1x = 4 + x + -1x

Combine like terms: 9x + -1x = 8x
8 + 8x = 4 + x + -1x

Combine like terms: x + -1x = 0
8 + 8x = 4 + 0
8 + 8x = 4

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

Combine like terms: 8 + -8 = 0
0 + 8x = 4 + -8
8x = 4 + -8

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

Divide each side by '8'.
x = -0.5

Simplifying
x = -0.5

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