56+40=3x+4x-9

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Solution for 56+40=3x+4x-9 equation:


Simplifying
56 + 40 = 3x + 4x + -9

Combine like terms: 56 + 40 = 96
96 = 3x + 4x + -9

Reorder the terms:
96 = -9 + 3x + 4x

Combine like terms: 3x + 4x = 7x
96 = -9 + 7x

Solving
96 = -9 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
96 + -7x = -9 + 7x + -7x

Combine like terms: 7x + -7x = 0
96 + -7x = -9 + 0
96 + -7x = -9

Add '-96' to each side of the equation.
96 + -96 + -7x = -9 + -96

Combine like terms: 96 + -96 = 0
0 + -7x = -9 + -96
-7x = -9 + -96

Combine like terms: -9 + -96 = -105
-7x = -105

Divide each side by '-7'.
x = 15

Simplifying
x = 15

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