(3x-15)+(5x-23)=90

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Solution for (3x-15)+(5x-23)=90 equation:


Simplifying
(3x + -15) + (5x + -23) = 90

Reorder the terms:
(-15 + 3x) + (5x + -23) = 90

Remove parenthesis around (-15 + 3x)
-15 + 3x + (5x + -23) = 90

Reorder the terms:
-15 + 3x + (-23 + 5x) = 90

Remove parenthesis around (-23 + 5x)
-15 + 3x + -23 + 5x = 90

Reorder the terms:
-15 + -23 + 3x + 5x = 90

Combine like terms: -15 + -23 = -38
-38 + 3x + 5x = 90

Combine like terms: 3x + 5x = 8x
-38 + 8x = 90

Solving
-38 + 8x = 90

Solving for variable 'x'.

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

Add '38' to each side of the equation.
-38 + 38 + 8x = 90 + 38

Combine like terms: -38 + 38 = 0
0 + 8x = 90 + 38
8x = 90 + 38

Combine like terms: 90 + 38 = 128
8x = 128

Divide each side by '8'.
x = 16

Simplifying
x = 16

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