(4x-12)+(3x+4)=90

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Solution for (4x-12)+(3x+4)=90 equation:


Simplifying
(4x + -12) + (3x + 4) = 90

Reorder the terms:
(-12 + 4x) + (3x + 4) = 90

Remove parenthesis around (-12 + 4x)
-12 + 4x + (3x + 4) = 90

Reorder the terms:
-12 + 4x + (4 + 3x) = 90

Remove parenthesis around (4 + 3x)
-12 + 4x + 4 + 3x = 90

Reorder the terms:
-12 + 4 + 4x + 3x = 90

Combine like terms: -12 + 4 = -8
-8 + 4x + 3x = 90

Combine like terms: 4x + 3x = 7x
-8 + 7x = 90

Solving
-8 + 7x = 90

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 7x = 90 + 8

Combine like terms: -8 + 8 = 0
0 + 7x = 90 + 8
7x = 90 + 8

Combine like terms: 90 + 8 = 98
7x = 98

Divide each side by '7'.
x = 14

Simplifying
x = 14

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