2x-84=7x-4

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Solution for 2x-84=7x-4 equation:


Simplifying
2x + -84 = 7x + -4

Reorder the terms:
-84 + 2x = 7x + -4

Reorder the terms:
-84 + 2x = -4 + 7x

Solving
-84 + 2x = -4 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-84 + 2x + -7x = -4 + 7x + -7x

Combine like terms: 2x + -7x = -5x
-84 + -5x = -4 + 7x + -7x

Combine like terms: 7x + -7x = 0
-84 + -5x = -4 + 0
-84 + -5x = -4

Add '84' to each side of the equation.
-84 + 84 + -5x = -4 + 84

Combine like terms: -84 + 84 = 0
0 + -5x = -4 + 84
-5x = -4 + 84

Combine like terms: -4 + 84 = 80
-5x = 80

Divide each side by '-5'.
x = -16

Simplifying
x = -16

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