3x+5(-4+12)-(x-3)=

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Solution for 3x+5(-4+12)-(x-3)= equation:


Simplifying
3x + 5(-4 + 12) + -1(x + -3) = 0

Combine like terms: -4 + 12 = 8
3x + 5(8) + -1(x + -3) = 0

Multiply 5 * 8
3x + 40 + -1(x + -3) = 0

Reorder the terms:
3x + 40 + -1(-3 + x) = 0
3x + 40 + (-3 * -1 + x * -1) = 0
3x + 40 + (3 + -1x) = 0

Reorder the terms:
40 + 3 + 3x + -1x = 0

Combine like terms: 40 + 3 = 43
43 + 3x + -1x = 0

Combine like terms: 3x + -1x = 2x
43 + 2x = 0

Solving
43 + 2x = 0

Solving for variable 'x'.

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

Add '-43' to each side of the equation.
43 + -43 + 2x = 0 + -43

Combine like terms: 43 + -43 = 0
0 + 2x = 0 + -43
2x = 0 + -43

Combine like terms: 0 + -43 = -43
2x = -43

Divide each side by '2'.
x = -21.5

Simplifying
x = -21.5

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