10+2r=-3(6-3r)

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Solution for 10+2r=-3(6-3r) equation:


Simplifying
10 + 2r = -3(6 + -3r)
10 + 2r = (6 * -3 + -3r * -3)
10 + 2r = (-18 + 9r)

Solving
10 + 2r = -18 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
10 + 2r + -9r = -18 + 9r + -9r

Combine like terms: 2r + -9r = -7r
10 + -7r = -18 + 9r + -9r

Combine like terms: 9r + -9r = 0
10 + -7r = -18 + 0
10 + -7r = -18

Add '-10' to each side of the equation.
10 + -10 + -7r = -18 + -10

Combine like terms: 10 + -10 = 0
0 + -7r = -18 + -10
-7r = -18 + -10

Combine like terms: -18 + -10 = -28
-7r = -28

Divide each side by '-7'.
r = 4

Simplifying
r = 4

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