9x-(10+x)=80

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Solution for 9x-(10+x)=80 equation:


Simplifying
9x + -1(10 + x) = 80
9x + (10 * -1 + x * -1) = 80
9x + (-10 + -1x) = 80

Reorder the terms:
-10 + 9x + -1x = 80

Combine like terms: 9x + -1x = 8x
-10 + 8x = 80

Solving
-10 + 8x = 80

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 + 8x = 80 + 10

Combine like terms: -10 + 10 = 0
0 + 8x = 80 + 10
8x = 80 + 10

Combine like terms: 80 + 10 = 90
8x = 90

Divide each side by '8'.
x = 11.25

Simplifying
x = 11.25

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