126=-3(5r+8)

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Solution for 126=-3(5r+8) equation:


Simplifying
126 = -3(5r + 8)

Reorder the terms:
126 = -3(8 + 5r)
126 = (8 * -3 + 5r * -3)
126 = (-24 + -15r)

Solving
126 = -24 + -15r

Solving for variable 'r'.

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

Add '15r' to each side of the equation.
126 + 15r = -24 + -15r + 15r

Combine like terms: -15r + 15r = 0
126 + 15r = -24 + 0
126 + 15r = -24

Add '-126' to each side of the equation.
126 + -126 + 15r = -24 + -126

Combine like terms: 126 + -126 = 0
0 + 15r = -24 + -126
15r = -24 + -126

Combine like terms: -24 + -126 = -150
15r = -150

Divide each side by '15'.
r = -10

Simplifying
r = -10

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