-6(8+7r)=30-3r

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Solution for -6(8+7r)=30-3r equation:


Simplifying
-6(8 + 7r) = 30 + -3r
(8 * -6 + 7r * -6) = 30 + -3r
(-48 + -42r) = 30 + -3r

Solving
-48 + -42r = 30 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
-48 + -42r + 3r = 30 + -3r + 3r

Combine like terms: -42r + 3r = -39r
-48 + -39r = 30 + -3r + 3r

Combine like terms: -3r + 3r = 0
-48 + -39r = 30 + 0
-48 + -39r = 30

Add '48' to each side of the equation.
-48 + 48 + -39r = 30 + 48

Combine like terms: -48 + 48 = 0
0 + -39r = 30 + 48
-39r = 30 + 48

Combine like terms: 30 + 48 = 78
-39r = 78

Divide each side by '-39'.
r = -2

Simplifying
r = -2

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