3r-4-5r=-22

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Solution for 3r-4-5r=-22 equation:


Simplifying
3r + -4 + -5r = -22

Reorder the terms:
-4 + 3r + -5r = -22

Combine like terms: 3r + -5r = -2r
-4 + -2r = -22

Solving
-4 + -2r = -22

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + -2r = -22 + 4

Combine like terms: -4 + 4 = 0
0 + -2r = -22 + 4
-2r = -22 + 4

Combine like terms: -22 + 4 = -18
-2r = -18

Divide each side by '-2'.
r = 9

Simplifying
r = 9

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