3r-19=-7+r

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Solution for 3r-19=-7+r equation:


Simplifying
3r + -19 = -7 + r

Reorder the terms:
-19 + 3r = -7 + r

Solving
-19 + 3r = -7 + 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 + 3r + -1r = -7 + r + -1r

Combine like terms: 3r + -1r = 2r
-19 + 2r = -7 + r + -1r

Combine like terms: r + -1r = 0
-19 + 2r = -7 + 0
-19 + 2r = -7

Add '19' to each side of the equation.
-19 + 19 + 2r = -7 + 19

Combine like terms: -19 + 19 = 0
0 + 2r = -7 + 19
2r = -7 + 19

Combine like terms: -7 + 19 = 12
2r = 12

Divide each side by '2'.
r = 6

Simplifying
r = 6

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