7x+84=-4x+40

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Solution for 7x+84=-4x+40 equation:


Simplifying
7x + 84 = -4x + 40

Reorder the terms:
84 + 7x = -4x + 40

Reorder the terms:
84 + 7x = 40 + -4x

Solving
84 + 7x = 40 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
84 + 7x + 4x = 40 + -4x + 4x

Combine like terms: 7x + 4x = 11x
84 + 11x = 40 + -4x + 4x

Combine like terms: -4x + 4x = 0
84 + 11x = 40 + 0
84 + 11x = 40

Add '-84' to each side of the equation.
84 + -84 + 11x = 40 + -84

Combine like terms: 84 + -84 = 0
0 + 11x = 40 + -84
11x = 40 + -84

Combine like terms: 40 + -84 = -44
11x = -44

Divide each side by '11'.
x = -4

Simplifying
x = -4

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