3(5-4x)=8x-45

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Solution for 3(5-4x)=8x-45 equation:


Simplifying
3(5 + -4x) = 8x + -45
(5 * 3 + -4x * 3) = 8x + -45
(15 + -12x) = 8x + -45

Reorder the terms:
15 + -12x = -45 + 8x

Solving
15 + -12x = -45 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
15 + -12x + -8x = -45 + 8x + -8x

Combine like terms: -12x + -8x = -20x
15 + -20x = -45 + 8x + -8x

Combine like terms: 8x + -8x = 0
15 + -20x = -45 + 0
15 + -20x = -45

Add '-15' to each side of the equation.
15 + -15 + -20x = -45 + -15

Combine like terms: 15 + -15 = 0
0 + -20x = -45 + -15
-20x = -45 + -15

Combine like terms: -45 + -15 = -60
-20x = -60

Divide each side by '-20'.
x = 3

Simplifying
x = 3

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