43=5r+8

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Solution for 43=5r+8 equation:


Simplifying
43 = 5r + 8

Reorder the terms:
43 = 8 + 5r

Solving
43 = 8 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
43 + -5r = 8 + 5r + -5r

Combine like terms: 5r + -5r = 0
43 + -5r = 8 + 0
43 + -5r = 8

Add '-43' to each side of the equation.
43 + -43 + -5r = 8 + -43

Combine like terms: 43 + -43 = 0
0 + -5r = 8 + -43
-5r = 8 + -43

Combine like terms: 8 + -43 = -35
-5r = -35

Divide each side by '-5'.
r = 7

Simplifying
r = 7

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