7x+40=3x+112

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Solution for 7x+40=3x+112 equation:


Simplifying
7x + 40 = 3x + 112

Reorder the terms:
40 + 7x = 3x + 112

Reorder the terms:
40 + 7x = 112 + 3x

Solving
40 + 7x = 112 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
40 + 7x + -3x = 112 + 3x + -3x

Combine like terms: 7x + -3x = 4x
40 + 4x = 112 + 3x + -3x

Combine like terms: 3x + -3x = 0
40 + 4x = 112 + 0
40 + 4x = 112

Add '-40' to each side of the equation.
40 + -40 + 4x = 112 + -40

Combine like terms: 40 + -40 = 0
0 + 4x = 112 + -40
4x = 112 + -40

Combine like terms: 112 + -40 = 72
4x = 72

Divide each side by '4'.
x = 18

Simplifying
x = 18

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