4=4+r

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Solution for 4=4+r equation:


Simplifying
4 = 4 + r

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

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

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

Solving
0 = r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
0 + -1r = r + -1r
Remove the zero:
-1r = r + -1r

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

Divide each side by '-1'.
r = 0

Simplifying
r = 0

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