9+7r-7=6-3r

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Solution for 9+7r-7=6-3r equation:


Simplifying
9 + 7r + -7 = 6 + -3r

Reorder the terms:
9 + -7 + 7r = 6 + -3r

Combine like terms: 9 + -7 = 2
2 + 7r = 6 + -3r

Solving
2 + 7r = 6 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
2 + 7r + 3r = 6 + -3r + 3r

Combine like terms: 7r + 3r = 10r
2 + 10r = 6 + -3r + 3r

Combine like terms: -3r + 3r = 0
2 + 10r = 6 + 0
2 + 10r = 6

Add '-2' to each side of the equation.
2 + -2 + 10r = 6 + -2

Combine like terms: 2 + -2 = 0
0 + 10r = 6 + -2
10r = 6 + -2

Combine like terms: 6 + -2 = 4
10r = 4

Divide each side by '10'.
r = 0.4

Simplifying
r = 0.4

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