7r+23-4r=-55

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Solution for 7r+23-4r=-55 equation:


Simplifying
7r + 23 + -4r = -55

Reorder the terms:
23 + 7r + -4r = -55

Combine like terms: 7r + -4r = 3r
23 + 3r = -55

Solving
23 + 3r = -55

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 + 3r = -55 + -23

Combine like terms: 23 + -23 = 0
0 + 3r = -55 + -23
3r = -55 + -23

Combine like terms: -55 + -23 = -78
3r = -78

Divide each side by '3'.
r = -26

Simplifying
r = -26

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