10x-9(x+6)=31

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Solution for 10x-9(x+6)=31 equation:


Simplifying
10x + -9(x + 6) = 31

Reorder the terms:
10x + -9(6 + x) = 31
10x + (6 * -9 + x * -9) = 31
10x + (-54 + -9x) = 31

Reorder the terms:
-54 + 10x + -9x = 31

Combine like terms: 10x + -9x = 1x
-54 + 1x = 31

Solving
-54 + 1x = 31

Solving for variable 'x'.

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

Add '54' to each side of the equation.
-54 + 54 + 1x = 31 + 54

Combine like terms: -54 + 54 = 0
0 + 1x = 31 + 54
1x = 31 + 54

Combine like terms: 31 + 54 = 85
1x = 85

Divide each side by '1'.
x = 85

Simplifying
x = 85

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