(x-9)+(x+5)=90

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Solution for (x-9)+(x+5)=90 equation:


Simplifying
(x + -9) + (x + 5) = 90

Reorder the terms:
(-9 + x) + (x + 5) = 90

Remove parenthesis around (-9 + x)
-9 + x + (x + 5) = 90

Reorder the terms:
-9 + x + (5 + x) = 90

Remove parenthesis around (5 + x)
-9 + x + 5 + x = 90

Reorder the terms:
-9 + 5 + x + x = 90

Combine like terms: -9 + 5 = -4
-4 + x + x = 90

Combine like terms: x + x = 2x
-4 + 2x = 90

Solving
-4 + 2x = 90

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 2x = 90 + 4

Combine like terms: -4 + 4 = 0
0 + 2x = 90 + 4
2x = 90 + 4

Combine like terms: 90 + 4 = 94
2x = 94

Divide each side by '2'.
x = 47

Simplifying
x = 47

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