(3x-5)+(6x-40)=90

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Solution for (3x-5)+(6x-40)=90 equation:


Simplifying
(3x + -5) + (6x + -40) = 90

Reorder the terms:
(-5 + 3x) + (6x + -40) = 90

Remove parenthesis around (-5 + 3x)
-5 + 3x + (6x + -40) = 90

Reorder the terms:
-5 + 3x + (-40 + 6x) = 90

Remove parenthesis around (-40 + 6x)
-5 + 3x + -40 + 6x = 90

Reorder the terms:
-5 + -40 + 3x + 6x = 90

Combine like terms: -5 + -40 = -45
-45 + 3x + 6x = 90

Combine like terms: 3x + 6x = 9x
-45 + 9x = 90

Solving
-45 + 9x = 90

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 9x = 90 + 45

Combine like terms: -45 + 45 = 0
0 + 9x = 90 + 45
9x = 90 + 45

Combine like terms: 90 + 45 = 135
9x = 135

Divide each side by '9'.
x = 15

Simplifying
x = 15

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