-3(r-4)+7=-15

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Solution for -3(r-4)+7=-15 equation:


Simplifying
-3(r + -4) + 7 = -15

Reorder the terms:
-3(-4 + r) + 7 = -15
(-4 * -3 + r * -3) + 7 = -15
(12 + -3r) + 7 = -15

Reorder the terms:
12 + 7 + -3r = -15

Combine like terms: 12 + 7 = 19
19 + -3r = -15

Solving
19 + -3r = -15

Solving for variable 'r'.

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

Add '-19' to each side of the equation.
19 + -19 + -3r = -15 + -19

Combine like terms: 19 + -19 = 0
0 + -3r = -15 + -19
-3r = -15 + -19

Combine like terms: -15 + -19 = -34
-3r = -34

Divide each side by '-3'.
r = 11.33333333

Simplifying
r = 11.33333333

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