-3(4-2r)=-10+8r

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Solution for -3(4-2r)=-10+8r equation:


Simplifying
-3(4 + -2r) = -10 + 8r
(4 * -3 + -2r * -3) = -10 + 8r
(-12 + 6r) = -10 + 8r

Solving
-12 + 6r = -10 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-12 + 6r + -8r = -10 + 8r + -8r

Combine like terms: 6r + -8r = -2r
-12 + -2r = -10 + 8r + -8r

Combine like terms: 8r + -8r = 0
-12 + -2r = -10 + 0
-12 + -2r = -10

Add '12' to each side of the equation.
-12 + 12 + -2r = -10 + 12

Combine like terms: -12 + 12 = 0
0 + -2r = -10 + 12
-2r = -10 + 12

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

Divide each side by '-2'.
r = -1

Simplifying
r = -1

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