-19=-15+r

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Solution for -19=-15+r equation:


Simplifying
-19 = -15 + r

Solving
-19 = -15 + 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.
-19 + -1r = -15 + r + -1r

Combine like terms: r + -1r = 0
-19 + -1r = -15 + 0
-19 + -1r = -15

Add '19' to each side of the equation.
-19 + 19 + -1r = -15 + 19

Combine like terms: -19 + 19 = 0
0 + -1r = -15 + 19
-1r = -15 + 19

Combine like terms: -15 + 19 = 4
-1r = 4

Divide each side by '-1'.
r = -4

Simplifying
r = -4

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