8x+4=9x-1

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Solution for 8x+4=9x-1 equation:


Simplifying
8x + 4 = 9x + -1

Reorder the terms:
4 + 8x = 9x + -1

Reorder the terms:
4 + 8x = -1 + 9x

Solving
4 + 8x = -1 + 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.
4 + 8x + -9x = -1 + 9x + -9x

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

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

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

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

Combine like terms: -1 + -4 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5

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