R+11+8r+1=30

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Solution for R+11+8r+1=30 equation:


Simplifying
R + 11 + 8r + 1 = 30

Reorder the terms:
11 + 1 + R + 8r = 30

Combine like terms: 11 + 1 = 12
12 + R + 8r = 30

Solving
12 + R + 8r = 30

Solving for variable 'R'.

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

Add '-12' to each side of the equation.
12 + R + -12 + 8r = 30 + -12

Reorder the terms:
12 + -12 + R + 8r = 30 + -12

Combine like terms: 12 + -12 = 0
0 + R + 8r = 30 + -12
R + 8r = 30 + -12

Combine like terms: 30 + -12 = 18
R + 8r = 18

Add '-8r' to each side of the equation.
R + 8r + -8r = 18 + -8r

Combine like terms: 8r + -8r = 0
R + 0 = 18 + -8r
R = 18 + -8r

Simplifying
R = 18 + -8r

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