7r+47=5r+57

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Solution for 7r+47=5r+57 equation:


Simplifying
7r + 47 = 5r + 57

Reorder the terms:
47 + 7r = 5r + 57

Reorder the terms:
47 + 7r = 57 + 5r

Solving
47 + 7r = 57 + 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.
47 + 7r + -5r = 57 + 5r + -5r

Combine like terms: 7r + -5r = 2r
47 + 2r = 57 + 5r + -5r

Combine like terms: 5r + -5r = 0
47 + 2r = 57 + 0
47 + 2r = 57

Add '-47' to each side of the equation.
47 + -47 + 2r = 57 + -47

Combine like terms: 47 + -47 = 0
0 + 2r = 57 + -47
2r = 57 + -47

Combine like terms: 57 + -47 = 10
2r = 10

Divide each side by '2'.
r = 5

Simplifying
r = 5

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