7-8(1-3r)=-15

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Solution for 7-8(1-3r)=-15 equation:


Simplifying
7 + -8(1 + -3r) = -15
7 + (1 * -8 + -3r * -8) = -15
7 + (-8 + 24r) = -15

Combine like terms: 7 + -8 = -1
-1 + 24r = -15

Solving
-1 + 24r = -15

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 24r = -15 + 1

Combine like terms: -1 + 1 = 0
0 + 24r = -15 + 1
24r = -15 + 1

Combine like terms: -15 + 1 = -14
24r = -14

Divide each side by '24'.
r = -0.5833333333

Simplifying
r = -0.5833333333

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