r+3r+23=51

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Solution for r+3r+23=51 equation:


Simplifying
r + 3r + 23 = 51

Reorder the terms:
23 + r + 3r = 51

Combine like terms: r + 3r = 4r
23 + 4r = 51

Solving
23 + 4r = 51

Solving for variable 'r'.

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

Add '-23' to each side of the equation.
23 + -23 + 4r = 51 + -23

Combine like terms: 23 + -23 = 0
0 + 4r = 51 + -23
4r = 51 + -23

Combine like terms: 51 + -23 = 28
4r = 28

Divide each side by '4'.
r = 7

Simplifying
r = 7

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