(3x-40)+(2x+15)=90

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Solution for (3x-40)+(2x+15)=90 equation:


Simplifying
(3x + -40) + (2x + 15) = 90

Reorder the terms:
(-40 + 3x) + (2x + 15) = 90

Remove parenthesis around (-40 + 3x)
-40 + 3x + (2x + 15) = 90

Reorder the terms:
-40 + 3x + (15 + 2x) = 90

Remove parenthesis around (15 + 2x)
-40 + 3x + 15 + 2x = 90

Reorder the terms:
-40 + 15 + 3x + 2x = 90

Combine like terms: -40 + 15 = -25
-25 + 3x + 2x = 90

Combine like terms: 3x + 2x = 5x
-25 + 5x = 90

Solving
-25 + 5x = 90

Solving for variable 'x'.

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

Add '25' to each side of the equation.
-25 + 25 + 5x = 90 + 25

Combine like terms: -25 + 25 = 0
0 + 5x = 90 + 25
5x = 90 + 25

Combine like terms: 90 + 25 = 115
5x = 115

Divide each side by '5'.
x = 23

Simplifying
x = 23

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