5x+9=4x+12

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Solution for 5x+9=4x+12 equation:


Simplifying
5x + 9 = 4x + 12

Reorder the terms:
9 + 5x = 4x + 12

Reorder the terms:
9 + 5x = 12 + 4x

Solving
9 + 5x = 12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
9 + 5x + -4x = 12 + 4x + -4x

Combine like terms: 5x + -4x = 1x
9 + 1x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 + 1x = 12 + 0
9 + 1x = 12

Add '-9' to each side of the equation.
9 + -9 + 1x = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 1x = 12 + -9
1x = 12 + -9

Combine like terms: 12 + -9 = 3
1x = 3

Divide each side by '1'.
x = 3

Simplifying
x = 3

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