7r-3r-4=2r+16

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Solution for 7r-3r-4=2r+16 equation: 


Simplifying
7r + -3r + -4 = 2r + 16

Reorder the terms:
-4 + 7r + -3r = 2r + 16

Combine like terms: 7r + -3r = 4r
-4 + 4r = 2r + 16

Reorder the terms:
-4 + 4r = 16 + 2r

Solving
-4 + 4r = 16 + 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.
-4 + 4r + -2r = 16 + 2r + -2r

Combine like terms: 4r + -2r = 2r
-4 + 2r = 16 + 2r + -2r

Combine like terms: 2r + -2r = 0
-4 + 2r = 16 + 0
-4 + 2r = 16

Add '4' to each side of the equation.
-4 + 4 + 2r = 16 + 4

Combine like terms: -4 + 4 = 0
0 + 2r = 16 + 4
2r = 16 + 4

Combine like terms: 16 + 4 = 20
2r = 20

Divide each side by '2'.
r = 10

Simplifying
r = 10

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