-4(r+4)=-30+3r

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Solution for -4(r+4)=-30+3r equation:


Simplifying
-4(r + 4) = -30 + 3r

Reorder the terms:
-4(4 + r) = -30 + 3r
(4 * -4 + r * -4) = -30 + 3r
(-16 + -4r) = -30 + 3r

Solving
-16 + -4r = -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.
-16 + -4r + -3r = -30 + 3r + -3r

Combine like terms: -4r + -3r = -7r
-16 + -7r = -30 + 3r + -3r

Combine like terms: 3r + -3r = 0
-16 + -7r = -30 + 0
-16 + -7r = -30

Add '16' to each side of the equation.
-16 + 16 + -7r = -30 + 16

Combine like terms: -16 + 16 = 0
0 + -7r = -30 + 16
-7r = -30 + 16

Combine like terms: -30 + 16 = -14
-7r = -14

Divide each side by '-7'.
r = 2

Simplifying
r = 2

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