-4r-13=7-6(r+2)

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Solution for -4r-13=7-6(r+2) equation:


Simplifying
-4r + -13 = 7 + -6(r + 2)

Reorder the terms:
-13 + -4r = 7 + -6(r + 2)

Reorder the terms:
-13 + -4r = 7 + -6(2 + r)
-13 + -4r = 7 + (2 * -6 + r * -6)
-13 + -4r = 7 + (-12 + -6r)

Combine like terms: 7 + -12 = -5
-13 + -4r = -5 + -6r

Solving
-13 + -4r = -5 + -6r

Solving for variable 'r'.

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

Add '6r' to each side of the equation.
-13 + -4r + 6r = -5 + -6r + 6r

Combine like terms: -4r + 6r = 2r
-13 + 2r = -5 + -6r + 6r

Combine like terms: -6r + 6r = 0
-13 + 2r = -5 + 0
-13 + 2r = -5

Add '13' to each side of the equation.
-13 + 13 + 2r = -5 + 13

Combine like terms: -13 + 13 = 0
0 + 2r = -5 + 13
2r = -5 + 13

Combine like terms: -5 + 13 = 8
2r = 8

Divide each side by '2'.
r = 4

Simplifying
r = 4

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