3(4-7x)-3(2x+5)=-8

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Solution for 3(4-7x)-3(2x+5)=-8 equation: 


Simplifying
3(4 + -7x) + -3(2x + 5) = -8
(4 * 3 + -7x * 3) + -3(2x + 5) = -8
(12 + -21x) + -3(2x + 5) = -8

Reorder the terms:
12 + -21x + -3(5 + 2x) = -8
12 + -21x + (5 * -3 + 2x * -3) = -8
12 + -21x + (-15 + -6x) = -8

Reorder the terms:
12 + -15 + -21x + -6x = -8

Combine like terms: 12 + -15 = -3
-3 + -21x + -6x = -8

Combine like terms: -21x + -6x = -27x
-3 + -27x = -8

Solving
-3 + -27x = -8

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 + -27x = -8 + 3

Combine like terms: -3 + 3 = 0
0 + -27x = -8 + 3
-27x = -8 + 3

Combine like terms: -8 + 3 = -5
-27x = -5

Divide each side by '-27'.
x = 0.1851851852

Simplifying
x = 0.1851851852

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