4(3-r)+r=22+2r

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Solution for 4(3-r)+r=22+2r equation:


Simplifying
4(3 + -1r) + r = 22 + 2r
(3 * 4 + -1r * 4) + r = 22 + 2r
(12 + -4r) + r = 22 + 2r

Combine like terms: -4r + r = -3r
12 + -3r = 22 + 2r

Solving
12 + -3r = 22 + 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.
12 + -3r + -2r = 22 + 2r + -2r

Combine like terms: -3r + -2r = -5r
12 + -5r = 22 + 2r + -2r

Combine like terms: 2r + -2r = 0
12 + -5r = 22 + 0
12 + -5r = 22

Add '-12' to each side of the equation.
12 + -12 + -5r = 22 + -12

Combine like terms: 12 + -12 = 0
0 + -5r = 22 + -12
-5r = 22 + -12

Combine like terms: 22 + -12 = 10
-5r = 10

Divide each side by '-5'.
r = -2

Simplifying
r = -2

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