-6r+63-r=7(9-r)

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Solution for -6r+63-r=7(9-r) equation:


Simplifying
-6r + 63 + -1r = 7(9 + -1r)

Reorder the terms:
63 + -6r + -1r = 7(9 + -1r)

Combine like terms: -6r + -1r = -7r
63 + -7r = 7(9 + -1r)
63 + -7r = (9 * 7 + -1r * 7)
63 + -7r = (63 + -7r)

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

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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