7r+3=9+r

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Solution for 7r+3=9+r equation:


Simplifying
7r + 3 = 9 + r

Reorder the terms:
3 + 7r = 9 + r

Solving
3 + 7r = 9 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
3 + 7r + -1r = 9 + r + -1r

Combine like terms: 7r + -1r = 6r
3 + 6r = 9 + r + -1r

Combine like terms: r + -1r = 0
3 + 6r = 9 + 0
3 + 6r = 9

Add '-3' to each side of the equation.
3 + -3 + 6r = 9 + -3

Combine like terms: 3 + -3 = 0
0 + 6r = 9 + -3
6r = 9 + -3

Combine like terms: 9 + -3 = 6
6r = 6

Divide each side by '6'.
r = 1

Simplifying
r = 1

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