63=7r-28

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Solution for 63=7r-28 equation:


Simplifying
63 = 7r + -28

Reorder the terms:
63 = -28 + 7r

Solving
63 = -28 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
63 + -7r = -28 + 7r + -7r

Combine like terms: 7r + -7r = 0
63 + -7r = -28 + 0
63 + -7r = -28

Add '-63' to each side of the equation.
63 + -63 + -7r = -28 + -63

Combine like terms: 63 + -63 = 0
0 + -7r = -28 + -63
-7r = -28 + -63

Combine like terms: -28 + -63 = -91
-7r = -91

Divide each side by '-7'.
r = 13

Simplifying
r = 13

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