(4x-3)+(x-8)=90

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Solution for (4x-3)+(x-8)=90 equation:


Simplifying
(4x + -3) + (x + -8) = 90

Reorder the terms:
(-3 + 4x) + (x + -8) = 90

Remove parenthesis around (-3 + 4x)
-3 + 4x + (x + -8) = 90

Reorder the terms:
-3 + 4x + (-8 + x) = 90

Remove parenthesis around (-8 + x)
-3 + 4x + -8 + x = 90

Reorder the terms:
-3 + -8 + 4x + x = 90

Combine like terms: -3 + -8 = -11
-11 + 4x + x = 90

Combine like terms: 4x + x = 5x
-11 + 5x = 90

Solving
-11 + 5x = 90

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 5x = 90 + 11

Combine like terms: -11 + 11 = 0
0 + 5x = 90 + 11
5x = 90 + 11

Combine like terms: 90 + 11 = 101
5x = 101

Divide each side by '5'.
x = 20.2

Simplifying
x = 20.2

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