4x+7+9=5x-4

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Solution for 4x+7+9=5x-4 equation:


Simplifying
4x + 7 + 9 = 5x + -4

Reorder the terms:
7 + 9 + 4x = 5x + -4

Combine like terms: 7 + 9 = 16
16 + 4x = 5x + -4

Reorder the terms:
16 + 4x = -4 + 5x

Solving
16 + 4x = -4 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
16 + 4x + -5x = -4 + 5x + -5x

Combine like terms: 4x + -5x = -1x
16 + -1x = -4 + 5x + -5x

Combine like terms: 5x + -5x = 0
16 + -1x = -4 + 0
16 + -1x = -4

Add '-16' to each side of the equation.
16 + -16 + -1x = -4 + -16

Combine like terms: 16 + -16 = 0
0 + -1x = -4 + -16
-1x = -4 + -16

Combine like terms: -4 + -16 = -20
-1x = -20

Divide each side by '-1'.
x = 20

Simplifying
x = 20

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