4(3r-2)=-20+10r

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Solution for 4(3r-2)=-20+10r equation:


Simplifying
4(3r + -2) = -20 + 10r

Reorder the terms:
4(-2 + 3r) = -20 + 10r
(-2 * 4 + 3r * 4) = -20 + 10r
(-8 + 12r) = -20 + 10r

Solving
-8 + 12r = -20 + 10r

Solving for variable 'r'.

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

Add '-10r' to each side of the equation.
-8 + 12r + -10r = -20 + 10r + -10r

Combine like terms: 12r + -10r = 2r
-8 + 2r = -20 + 10r + -10r

Combine like terms: 10r + -10r = 0
-8 + 2r = -20 + 0
-8 + 2r = -20

Add '8' to each side of the equation.
-8 + 8 + 2r = -20 + 8

Combine like terms: -8 + 8 = 0
0 + 2r = -20 + 8
2r = -20 + 8

Combine like terms: -20 + 8 = -12
2r = -12

Divide each side by '2'.
r = -6

Simplifying
r = -6

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