8-7x=9x+4

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Solution for 8-7x=9x+4 equation:


Simplifying
8 + -7x = 9x + 4

Reorder the terms:
8 + -7x = 4 + 9x

Solving
8 + -7x = 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.
8 + -7x + -9x = 4 + 9x + -9x

Combine like terms: -7x + -9x = -16x
8 + -16x = 4 + 9x + -9x

Combine like terms: 9x + -9x = 0
8 + -16x = 4 + 0
8 + -16x = 4

Add '-8' to each side of the equation.
8 + -8 + -16x = 4 + -8

Combine like terms: 8 + -8 = 0
0 + -16x = 4 + -8
-16x = 4 + -8

Combine like terms: 4 + -8 = -4
-16x = -4

Divide each side by '-16'.
x = 0.25

Simplifying
x = 0.25

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