(-4x+56)+(7x+22)=90

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Solution for (-4x+56)+(7x+22)=90 equation:


Simplifying
(-4x + 56) + (7x + 22) = 90

Reorder the terms:
(56 + -4x) + (7x + 22) = 90

Remove parenthesis around (56 + -4x)
56 + -4x + (7x + 22) = 90

Reorder the terms:
56 + -4x + (22 + 7x) = 90

Remove parenthesis around (22 + 7x)
56 + -4x + 22 + 7x = 90

Reorder the terms:
56 + 22 + -4x + 7x = 90

Combine like terms: 56 + 22 = 78
78 + -4x + 7x = 90

Combine like terms: -4x + 7x = 3x
78 + 3x = 90

Solving
78 + 3x = 90

Solving for variable 'x'.

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

Add '-78' to each side of the equation.
78 + -78 + 3x = 90 + -78

Combine like terms: 78 + -78 = 0
0 + 3x = 90 + -78
3x = 90 + -78

Combine like terms: 90 + -78 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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