6x-3(5x-4)=-42

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Solution for 6x-3(5x-4)=-42 equation:


Simplifying
6x + -3(5x + -4) = -42

Reorder the terms:
6x + -3(-4 + 5x) = -42
6x + (-4 * -3 + 5x * -3) = -42
6x + (12 + -15x) = -42

Reorder the terms:
12 + 6x + -15x = -42

Combine like terms: 6x + -15x = -9x
12 + -9x = -42

Solving
12 + -9x = -42

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -9x = -42 + -12

Combine like terms: 12 + -12 = 0
0 + -9x = -42 + -12
-9x = -42 + -12

Combine like terms: -42 + -12 = -54
-9x = -54

Divide each side by '-9'.
x = 6

Simplifying
x = 6

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