-3x-4x+28=84

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Solution for -3x-4x+28=84 equation:


Simplifying
-3x + -4x + 28 = 84

Reorder the terms:
28 + -3x + -4x = 84

Combine like terms: -3x + -4x = -7x
28 + -7x = 84

Solving
28 + -7x = 84

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + -7x = 84 + -28

Combine like terms: 28 + -28 = 0
0 + -7x = 84 + -28
-7x = 84 + -28

Combine like terms: 84 + -28 = 56
-7x = 56

Divide each side by '-7'.
x = -8

Simplifying
x = -8

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