r+1=10-8r

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Solution for r+1=10-8r equation:


Simplifying
r + 1 = 10 + -8r

Reorder the terms:
1 + r = 10 + -8r

Solving
1 + r = 10 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
1 + r + 8r = 10 + -8r + 8r

Combine like terms: r + 8r = 9r
1 + 9r = 10 + -8r + 8r

Combine like terms: -8r + 8r = 0
1 + 9r = 10 + 0
1 + 9r = 10

Add '-1' to each side of the equation.
1 + -1 + 9r = 10 + -1

Combine like terms: 1 + -1 = 0
0 + 9r = 10 + -1
9r = 10 + -1

Combine like terms: 10 + -1 = 9
9r = 9

Divide each side by '9'.
r = 1

Simplifying
r = 1

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