15x+36=3x+84

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Solution for 15x+36=3x+84 equation:


Simplifying
15x + 36 = 3x + 84

Reorder the terms:
36 + 15x = 3x + 84

Reorder the terms:
36 + 15x = 84 + 3x

Solving
36 + 15x = 84 + 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.
36 + 15x + -3x = 84 + 3x + -3x

Combine like terms: 15x + -3x = 12x
36 + 12x = 84 + 3x + -3x

Combine like terms: 3x + -3x = 0
36 + 12x = 84 + 0
36 + 12x = 84

Add '-36' to each side of the equation.
36 + -36 + 12x = 84 + -36

Combine like terms: 36 + -36 = 0
0 + 12x = 84 + -36
12x = 84 + -36

Combine like terms: 84 + -36 = 48
12x = 48

Divide each side by '12'.
x = 4

Simplifying
x = 4

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