(8x-7)+(4x+1)=90

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Solution for (8x-7)+(4x+1)=90 equation:


Simplifying
(8x + -7) + (4x + 1) = 90

Reorder the terms:
(-7 + 8x) + (4x + 1) = 90

Remove parenthesis around (-7 + 8x)
-7 + 8x + (4x + 1) = 90

Reorder the terms:
-7 + 8x + (1 + 4x) = 90

Remove parenthesis around (1 + 4x)
-7 + 8x + 1 + 4x = 90

Reorder the terms:
-7 + 1 + 8x + 4x = 90

Combine like terms: -7 + 1 = -6
-6 + 8x + 4x = 90

Combine like terms: 8x + 4x = 12x
-6 + 12x = 90

Solving
-6 + 12x = 90

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 12x = 90 + 6

Combine like terms: -6 + 6 = 0
0 + 12x = 90 + 6
12x = 90 + 6

Combine like terms: 90 + 6 = 96
12x = 96

Divide each side by '12'.
x = 8

Simplifying
x = 8

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