4r-8+7-6r=9

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Solution for 4r-8+7-6r=9 equation:


Simplifying
4r + -8 + 7 + -6r = 9

Reorder the terms:
-8 + 7 + 4r + -6r = 9

Combine like terms: -8 + 7 = -1
-1 + 4r + -6r = 9

Combine like terms: 4r + -6r = -2r
-1 + -2r = 9

Solving
-1 + -2r = 9

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + -2r = 9 + 1

Combine like terms: -1 + 1 = 0
0 + -2r = 9 + 1
-2r = 9 + 1

Combine like terms: 9 + 1 = 10
-2r = 10

Divide each side by '-2'.
r = -5

Simplifying
r = -5

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