7r+19=2r+39

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Solution for 7r+19=2r+39 equation:


Simplifying
7r + 19 = 2r + 39

Reorder the terms:
19 + 7r = 2r + 39

Reorder the terms:
19 + 7r = 39 + 2r

Solving
19 + 7r = 39 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
19 + 7r + -2r = 39 + 2r + -2r

Combine like terms: 7r + -2r = 5r
19 + 5r = 39 + 2r + -2r

Combine like terms: 2r + -2r = 0
19 + 5r = 39 + 0
19 + 5r = 39

Add '-19' to each side of the equation.
19 + -19 + 5r = 39 + -19

Combine like terms: 19 + -19 = 0
0 + 5r = 39 + -19
5r = 39 + -19

Combine like terms: 39 + -19 = 20
5r = 20

Divide each side by '5'.
r = 4

Simplifying
r = 4

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