3r-7-5r=19

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Solution for 3r-7-5r=19 equation: 


Simplifying
3r + -7 + -5r = 19

Reorder the terms:
-7 + 3r + -5r = 19

Combine like terms: 3r + -5r = -2r
-7 + -2r = 19

Solving
-7 + -2r = 19

Solving for variable 'r'.

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

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

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

Combine like terms: 19 + 7 = 26
-2r = 26

Divide each side by '-2'.
r = -13

Simplifying
r = -13

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