7R-8=19-2R

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Solution for 7R-8=19-2R equation:


Simplifying
7R + -8 = 19 + -2R

Reorder the terms:
-8 + 7R = 19 + -2R

Solving
-8 + 7R = 19 + -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.
-8 + 7R + 2R = 19 + -2R + 2R

Combine like terms: 7R + 2R = 9R
-8 + 9R = 19 + -2R + 2R

Combine like terms: -2R + 2R = 0
-8 + 9R = 19 + 0
-8 + 9R = 19

Add '8' to each side of the equation.
-8 + 8 + 9R = 19 + 8

Combine like terms: -8 + 8 = 0
0 + 9R = 19 + 8
9R = 19 + 8

Combine like terms: 19 + 8 = 27
9R = 27

Divide each side by '9'.
R = 3

Simplifying
R = 3

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