8r=7r+4

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Solution for 8r=7r+4 equation: 


Simplifying
8r = 7r + 4

Reorder the terms:
8r = 4 + 7r

Solving
8r = 4 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
8r + -7r = 4 + 7r + -7r

Combine like terms: 8r + -7r = 1r
1r = 4 + 7r + -7r

Combine like terms: 7r + -7r = 0
1r = 4 + 0
1r = 4

Divide each side by '1'.
r = 4

Simplifying
r = 4

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