12-5(3r+2)=17

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


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

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

Combine like terms: 12 + -10 = 2
2 + -15r = 17

Solving
2 + -15r = 17

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + -15r = 17 + -2

Combine like terms: 2 + -2 = 0
0 + -15r = 17 + -2
-15r = 17 + -2

Combine like terms: 17 + -2 = 15
-15r = 15

Divide each side by '-15'.
r = -1

Simplifying
r = -1

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