4x+7=9x+12

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Solution for 4x+7=9x+12 equation:


Simplifying
4x + 7 = 9x + 12

Reorder the terms:
7 + 4x = 9x + 12

Reorder the terms:
7 + 4x = 12 + 9x

Solving
7 + 4x = 12 + 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.
7 + 4x + -9x = 12 + 9x + -9x

Combine like terms: 4x + -9x = -5x
7 + -5x = 12 + 9x + -9x

Combine like terms: 9x + -9x = 0
7 + -5x = 12 + 0
7 + -5x = 12

Add '-7' to each side of the equation.
7 + -7 + -5x = 12 + -7

Combine like terms: 7 + -7 = 0
0 + -5x = 12 + -7
-5x = 12 + -7

Combine like terms: 12 + -7 = 5
-5x = 5

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

Simplifying
x = -1

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