9(10-x)+7x=76

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Solution for 9(10-x)+7x=76 equation:


Simplifying
9(10 + -1x) + 7x = 76
(10 * 9 + -1x * 9) + 7x = 76
(90 + -9x) + 7x = 76

Combine like terms: -9x + 7x = -2x
90 + -2x = 76

Solving
90 + -2x = 76

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + -2x = 76 + -90

Combine like terms: 90 + -90 = 0
0 + -2x = 76 + -90
-2x = 76 + -90

Combine like terms: 76 + -90 = -14
-2x = -14

Divide each side by '-2'.
x = 7

Simplifying
x = 7

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