12r-5(3r+2)=17

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Solution for 12r-5(3r+2)=17 equation:


Simplifying
12r + -5(3r + 2) = 17

Reorder the terms:
12r + -5(2 + 3r) = 17
12r + (2 * -5 + 3r * -5) = 17
12r + (-10 + -15r) = 17

Reorder the terms:
-10 + 12r + -15r = 17

Combine like terms: 12r + -15r = -3r
-10 + -3r = 17

Solving
-10 + -3r = 17

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + -3r = 17 + 10

Combine like terms: -10 + 10 = 0
0 + -3r = 17 + 10
-3r = 17 + 10

Combine like terms: 17 + 10 = 27
-3r = 27

Divide each side by '-3'.
r = -9

Simplifying
r = -9

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