r+7-6=4r+13

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


Simplifying
r + 7 + -6 = 4r + 13

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

Combine like terms: 7 + -6 = 1
1 + r = 4r + 13

Reorder the terms:
1 + r = 13 + 4r

Solving
1 + r = 13 + 4r

Solving for variable 'r'.

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

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

Combine like terms: r + -4r = -3r
1 + -3r = 13 + 4r + -4r

Combine like terms: 4r + -4r = 0
1 + -3r = 13 + 0
1 + -3r = 13

Add '-1' to each side of the equation.
1 + -1 + -3r = 13 + -1

Combine like terms: 1 + -1 = 0
0 + -3r = 13 + -1
-3r = 13 + -1

Combine like terms: 13 + -1 = 12
-3r = 12

Divide each side by '-3'.
r = -4

Simplifying
r = -4

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