8x+9=4x-8

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


Simplifying
8x + 9 = 4x + -8

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

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

Solving
9 + 8x = -8 + 4x

Solving for variable 'x'.

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

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

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

Combine like terms: 4x + -4x = 0
9 + 4x = -8 + 0
9 + 4x = -8

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

Combine like terms: 9 + -9 = 0
0 + 4x = -8 + -9
4x = -8 + -9

Combine like terms: -8 + -9 = -17
4x = -17

Divide each side by '4'.
x = -4.25

Simplifying
x = -4.25

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