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

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


Simplifying
-3(r + 4) = -8(r + -3) + r

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

Reorder the terms:
-12 + -3r = -8(-3 + r) + r
-12 + -3r = (-3 * -8 + r * -8) + r
-12 + -3r = (24 + -8r) + r

Combine like terms: -8r + r = -7r
-12 + -3r = 24 + -7r

Solving
-12 + -3r = 24 + -7r

Solving for variable 'r'.

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

Add '7r' to each side of the equation.
-12 + -3r + 7r = 24 + -7r + 7r

Combine like terms: -3r + 7r = 4r
-12 + 4r = 24 + -7r + 7r

Combine like terms: -7r + 7r = 0
-12 + 4r = 24 + 0
-12 + 4r = 24

Add '12' to each side of the equation.
-12 + 12 + 4r = 24 + 12

Combine like terms: -12 + 12 = 0
0 + 4r = 24 + 12
4r = 24 + 12

Combine like terms: 24 + 12 = 36
4r = 36

Divide each side by '4'.
r = 9

Simplifying
r = 9

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