(3+2x)-(x+8)=7

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Solution for (3+2x)-(x+8)=7 equation:


Simplifying
(3 + 2x) + -1(x + 8) = 7

Remove parenthesis around (3 + 2x)
3 + 2x + -1(x + 8) = 7

Reorder the terms:
3 + 2x + -1(8 + x) = 7
3 + 2x + (8 * -1 + x * -1) = 7
3 + 2x + (-8 + -1x) = 7

Reorder the terms:
3 + -8 + 2x + -1x = 7

Combine like terms: 3 + -8 = -5
-5 + 2x + -1x = 7

Combine like terms: 2x + -1x = 1x
-5 + 1x = 7

Solving
-5 + 1x = 7

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 1x = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 1x = 7 + 5
1x = 7 + 5

Combine like terms: 7 + 5 = 12
1x = 12

Divide each side by '1'.
x = 12

Simplifying
x = 12

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