4x-9=8x+7

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


Simplifying
4x + -9 = 8x + 7

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

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

Solving
-9 + 4x = 7 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-9 + 4x + -8x = 7 + 8x + -8x

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

Combine like terms: 8x + -8x = 0
-9 + -4x = 7 + 0
-9 + -4x = 7

Add '9' to each side of the equation.
-9 + 9 + -4x = 7 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = 7 + 9
-4x = 7 + 9

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

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

Simplifying
x = -4

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