15x+40=12x+100

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Solution for 15x+40=12x+100 equation:


Simplifying
15x + 40 = 12x + 100

Reorder the terms:
40 + 15x = 12x + 100

Reorder the terms:
40 + 15x = 100 + 12x

Solving
40 + 15x = 100 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
40 + 15x + -12x = 100 + 12x + -12x

Combine like terms: 15x + -12x = 3x
40 + 3x = 100 + 12x + -12x

Combine like terms: 12x + -12x = 0
40 + 3x = 100 + 0
40 + 3x = 100

Add '-40' to each side of the equation.
40 + -40 + 3x = 100 + -40

Combine like terms: 40 + -40 = 0
0 + 3x = 100 + -40
3x = 100 + -40

Combine like terms: 100 + -40 = 60
3x = 60

Divide each side by '3'.
x = 20

Simplifying
x = 20

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