4r-(3+6r)=-8r+9

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Solution for 4r-(3+6r)=-8r+9 equation:


Simplifying
4r + -1(3 + 6r) = -8r + 9
4r + (3 * -1 + 6r * -1) = -8r + 9
4r + (-3 + -6r) = -8r + 9

Reorder the terms:
-3 + 4r + -6r = -8r + 9

Combine like terms: 4r + -6r = -2r
-3 + -2r = -8r + 9

Reorder the terms:
-3 + -2r = 9 + -8r

Solving
-3 + -2r = 9 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
-3 + -2r + 8r = 9 + -8r + 8r

Combine like terms: -2r + 8r = 6r
-3 + 6r = 9 + -8r + 8r

Combine like terms: -8r + 8r = 0
-3 + 6r = 9 + 0
-3 + 6r = 9

Add '3' to each side of the equation.
-3 + 3 + 6r = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 6r = 9 + 3
6r = 9 + 3

Combine like terms: 9 + 3 = 12
6r = 12

Divide each side by '6'.
r = 2

Simplifying
r = 2

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