2(3r-6)-(2r+1)=-13

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Solution for 2(3r-6)-(2r+1)=-13 equation:


Simplifying
2(3r + -6) + -1(2r + 1) = -13

Reorder the terms:
2(-6 + 3r) + -1(2r + 1) = -13
(-6 * 2 + 3r * 2) + -1(2r + 1) = -13
(-12 + 6r) + -1(2r + 1) = -13

Reorder the terms:
-12 + 6r + -1(1 + 2r) = -13
-12 + 6r + (1 * -1 + 2r * -1) = -13
-12 + 6r + (-1 + -2r) = -13

Reorder the terms:
-12 + -1 + 6r + -2r = -13

Combine like terms: -12 + -1 = -13
-13 + 6r + -2r = -13

Combine like terms: 6r + -2r = 4r
-13 + 4r = -13

Add '13' to each side of the equation.
-13 + 13 + 4r = -13 + 13

Combine like terms: -13 + 13 = 0
0 + 4r = -13 + 13
4r = -13 + 13

Combine like terms: -13 + 13 = 0
4r = 0

Solving
4r = 0

Solving for variable 'r'.

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

Divide each side by '4'.
r = 0

Simplifying
r = 0

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