124=15r+19

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Solution for 124=15r+19 equation:


Simplifying
124 = 15r + 19

Reorder the terms:
124 = 19 + 15r

Solving
124 = 19 + 15r

Solving for variable 'r'.

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

Add '-15r' to each side of the equation.
124 + -15r = 19 + 15r + -15r

Combine like terms: 15r + -15r = 0
124 + -15r = 19 + 0
124 + -15r = 19

Add '-124' to each side of the equation.
124 + -124 + -15r = 19 + -124

Combine like terms: 124 + -124 = 0
0 + -15r = 19 + -124
-15r = 19 + -124

Combine like terms: 19 + -124 = -105
-15r = -105

Divide each side by '-15'.
r = 7

Simplifying
r = 7

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