3(x+5)=8x-15

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Solution for 3(x+5)=8x-15 equation:


Simplifying
3(x + 5) = 8x + -15

Reorder the terms:
3(5 + x) = 8x + -15
(5 * 3 + x * 3) = 8x + -15
(15 + 3x) = 8x + -15

Reorder the terms:
15 + 3x = -15 + 8x

Solving
15 + 3x = -15 + 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 + 3x + -8x = -15 + 8x + -8x

Combine like terms: 3x + -8x = -5x
15 + -5x = -15 + 8x + -8x

Combine like terms: 8x + -8x = 0
15 + -5x = -15 + 0
15 + -5x = -15

Add '-15' to each side of the equation.
15 + -15 + -5x = -15 + -15

Combine like terms: 15 + -15 = 0
0 + -5x = -15 + -15
-5x = -15 + -15

Combine like terms: -15 + -15 = -30
-5x = -30

Divide each side by '-5'.
x = 6

Simplifying
x = 6

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