3x-4=13x+84

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Solution for 3x-4=13x+84 equation:


Simplifying
3x + -4 = 13x + 84

Reorder the terms:
-4 + 3x = 13x + 84

Reorder the terms:
-4 + 3x = 84 + 13x

Solving
-4 + 3x = 84 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
-4 + 3x + -13x = 84 + 13x + -13x

Combine like terms: 3x + -13x = -10x
-4 + -10x = 84 + 13x + -13x

Combine like terms: 13x + -13x = 0
-4 + -10x = 84 + 0
-4 + -10x = 84

Add '4' to each side of the equation.
-4 + 4 + -10x = 84 + 4

Combine like terms: -4 + 4 = 0
0 + -10x = 84 + 4
-10x = 84 + 4

Combine like terms: 84 + 4 = 88
-10x = 88

Divide each side by '-10'.
x = -8.8

Simplifying
x = -8.8

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