-7+8r=-3(r+4)+6r

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Solution for -7+8r=-3(r+4)+6r equation:


Simplifying
-7 + 8r = -3(r + 4) + 6r

Reorder the terms:
-7 + 8r = -3(4 + r) + 6r
-7 + 8r = (4 * -3 + r * -3) + 6r
-7 + 8r = (-12 + -3r) + 6r

Combine like terms: -3r + 6r = 3r
-7 + 8r = -12 + 3r

Solving
-7 + 8r = -12 + 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.
-7 + 8r + -3r = -12 + 3r + -3r

Combine like terms: 8r + -3r = 5r
-7 + 5r = -12 + 3r + -3r

Combine like terms: 3r + -3r = 0
-7 + 5r = -12 + 0
-7 + 5r = -12

Add '7' to each side of the equation.
-7 + 7 + 5r = -12 + 7

Combine like terms: -7 + 7 = 0
0 + 5r = -12 + 7
5r = -12 + 7

Combine like terms: -12 + 7 = -5
5r = -5

Divide each side by '5'.
r = -1

Simplifying
r = -1

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