-23=-4+r

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Solution for -23=-4+r equation:


Simplifying
-23 = -4 + r

Solving
-23 = -4 + 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.
-23 + -1r = -4 + r + -1r

Combine like terms: r + -1r = 0
-23 + -1r = -4 + 0
-23 + -1r = -4

Add '23' to each side of the equation.
-23 + 23 + -1r = -4 + 23

Combine like terms: -23 + 23 = 0
0 + -1r = -4 + 23
-1r = -4 + 23

Combine like terms: -4 + 23 = 19
-1r = 19

Divide each side by '-1'.
r = -19

Simplifying
r = -19

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