(x+25)+(x-15)=90

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Solution for (x+25)+(x-15)=90 equation: 


Simplifying
(x + 25) + (x + -15) = 90

Reorder the terms:
(25 + x) + (x + -15) = 90

Remove parenthesis around (25 + x)
25 + x + (x + -15) = 90

Reorder the terms:
25 + x + (-15 + x) = 90

Remove parenthesis around (-15 + x)
25 + x + -15 + x = 90

Reorder the terms:
25 + -15 + x + x = 90

Combine like terms: 25 + -15 = 10
10 + x + x = 90

Combine like terms: x + x = 2x
10 + 2x = 90

Solving
10 + 2x = 90

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 2x = 90 + -10

Combine like terms: 10 + -10 = 0
0 + 2x = 90 + -10
2x = 90 + -10

Combine like terms: 90 + -10 = 80
2x = 80

Divide each side by '2'.
x = 40

Simplifying
x = 40

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