10x+5-2(x-1)=31

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Solution for 10x+5-2(x-1)=31 equation: 


Simplifying
10x + 5 + -2(x + -1) = 31

Reorder the terms:
10x + 5 + -2(-1 + x) = 31
10x + 5 + (-1 * -2 + x * -2) = 31
10x + 5 + (2 + -2x) = 31

Reorder the terms:
5 + 2 + 10x + -2x = 31

Combine like terms: 5 + 2 = 7
7 + 10x + -2x = 31

Combine like terms: 10x + -2x = 8x
7 + 8x = 31

Solving
7 + 8x = 31

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 8x = 31 + -7

Combine like terms: 7 + -7 = 0
0 + 8x = 31 + -7
8x = 31 + -7

Combine like terms: 31 + -7 = 24
8x = 24

Divide each side by '8'.
x = 3

Simplifying
x = 3

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