7x+8-9x=-4

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


Simplifying
7x + 8 + -9x = -4

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

Combine like terms: 7x + -9x = -2x
8 + -2x = -4

Solving
8 + -2x = -4

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -2x = -4 + -8

Combine like terms: 8 + -8 = 0
0 + -2x = -4 + -8
-2x = -4 + -8

Combine like terms: -4 + -8 = -12
-2x = -12

Divide each side by '-2'.
x = 6

Simplifying
x = 6

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