-3x(2-5)-(-x-3)=12

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Solution for -3x(2-5)-(-x-3)=12 equation:


Simplifying
-3x(2 + -5) + -1(-1x + -3) = 12

Combine like terms: 2 + -5 = -3
-3x(-3) + -1(-1x + -3) = 12

Reorder the terms for easier multiplication:
-3 * -3x + -1(-1x + -3) = 12

Multiply -3 * -3
9x + -1(-1x + -3) = 12

Reorder the terms:
9x + -1(-3 + -1x) = 12
9x + (-3 * -1 + -1x * -1) = 12
9x + (3 + 1x) = 12

Reorder the terms:
3 + 9x + 1x = 12

Combine like terms: 9x + 1x = 10x
3 + 10x = 12

Solving
3 + 10x = 12

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 10x = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 10x = 12 + -3
10x = 12 + -3

Combine like terms: 12 + -3 = 9
10x = 9

Divide each side by '10'.
x = 0.9

Simplifying
x = 0.9

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