3(8r+7)=-25

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Solution for 3(8r+7)=-25 equation:


Simplifying
3(8r + 7) = -25

Reorder the terms:
3(7 + 8r) = -25
(7 * 3 + 8r * 3) = -25
(21 + 24r) = -25

Solving
21 + 24r = -25

Solving for variable 'r'.

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

Add '-21' to each side of the equation.
21 + -21 + 24r = -25 + -21

Combine like terms: 21 + -21 = 0
0 + 24r = -25 + -21
24r = -25 + -21

Combine like terms: -25 + -21 = -46
24r = -46

Divide each side by '24'.
r = -1.916666667

Simplifying
r = -1.916666667

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