7r-20=43

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Solution for 7r-20=43 equation: 


Simplifying
7r + -20 = 43

Reorder the terms:
-20 + 7r = 43

Solving
-20 + 7r = 43

Solving for variable 'r'.

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

Add '20' to each side of the equation.
-20 + 20 + 7r = 43 + 20

Combine like terms: -20 + 20 = 0
0 + 7r = 43 + 20
7r = 43 + 20

Combine like terms: 43 + 20 = 63
7r = 63

Divide each side by '7'.
r = 9

Simplifying
r = 9

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