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

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


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

Reorder the terms:
3x + 5(12 + -4x) + -1(x + -3) = 0
3x + (12 * 5 + -4x * 5) + -1(x + -3) = 0
3x + (60 + -20x) + -1(x + -3) = 0

Reorder the terms:
3x + 60 + -20x + -1(-3 + x) = 0
3x + 60 + -20x + (-3 * -1 + x * -1) = 0
3x + 60 + -20x + (3 + -1x) = 0

Reorder the terms:
60 + 3 + 3x + -20x + -1x = 0

Combine like terms: 60 + 3 = 63
63 + 3x + -20x + -1x = 0

Combine like terms: 3x + -20x = -17x
63 + -17x + -1x = 0

Combine like terms: -17x + -1x = -18x
63 + -18x = 0

Solving
63 + -18x = 0

Solving for variable 'x'.

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

Add '-63' to each side of the equation.
63 + -63 + -18x = 0 + -63

Combine like terms: 63 + -63 = 0
0 + -18x = 0 + -63
-18x = 0 + -63

Combine like terms: 0 + -63 = -63
-18x = -63

Divide each side by '-18'.
x = 3.5

Simplifying
x = 3.5

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