(17x-23)+(4x+8)=90

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Solution for (17x-23)+(4x+8)=90 equation:


Simplifying
(17x + -23) + (4x + 8) = 90

Reorder the terms:
(-23 + 17x) + (4x + 8) = 90

Remove parenthesis around (-23 + 17x)
-23 + 17x + (4x + 8) = 90

Reorder the terms:
-23 + 17x + (8 + 4x) = 90

Remove parenthesis around (8 + 4x)
-23 + 17x + 8 + 4x = 90

Reorder the terms:
-23 + 8 + 17x + 4x = 90

Combine like terms: -23 + 8 = -15
-15 + 17x + 4x = 90

Combine like terms: 17x + 4x = 21x
-15 + 21x = 90

Solving
-15 + 21x = 90

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 21x = 90 + 15

Combine like terms: -15 + 15 = 0
0 + 21x = 90 + 15
21x = 90 + 15

Combine like terms: 90 + 15 = 105
21x = 105

Divide each side by '21'.
x = 5

Simplifying
x = 5

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