7r-8=13equation

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Solution for 7r-8=13equation equation:


Simplifying
7r + -8 = 13equation

Reorder the terms:
-8 + 7r = 13equation

Solving
-8 + 7r = 13aeinoqtu

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + 7r = 8 + 13aeinoqtu

Combine like terms: -8 + 8 = 0
0 + 7r = 8 + 13aeinoqtu
7r = 8 + 13aeinoqtu

Divide each side by '7'.
r = 1.142857143 + 1.857142857aeinoqtu

Simplifying
r = 1.142857143 + 1.857142857aeinoqtu

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