-3(1+4r)=-9-6r

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Solution for -3(1+4r)=-9-6r equation:


Simplifying
-3(1 + 4r) = -9 + -6r
(1 * -3 + 4r * -3) = -9 + -6r
(-3 + -12r) = -9 + -6r

Solving
-3 + -12r = -9 + -6r

Solving for variable 'r'.

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

Add '6r' to each side of the equation.
-3 + -12r + 6r = -9 + -6r + 6r

Combine like terms: -12r + 6r = -6r
-3 + -6r = -9 + -6r + 6r

Combine like terms: -6r + 6r = 0
-3 + -6r = -9 + 0
-3 + -6r = -9

Add '3' to each side of the equation.
-3 + 3 + -6r = -9 + 3

Combine like terms: -3 + 3 = 0
0 + -6r = -9 + 3
-6r = -9 + 3

Combine like terms: -9 + 3 = -6
-6r = -6

Divide each side by '-6'.
r = 1

Simplifying
r = 1

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