8+10r-5=9r+11-7r

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Solution for 8+10r-5=9r+11-7r equation:


Simplifying
8 + 10r + -5 = 9r + 11 + -7r

Reorder the terms:
8 + -5 + 10r = 9r + 11 + -7r

Combine like terms: 8 + -5 = 3
3 + 10r = 9r + 11 + -7r

Reorder the terms:
3 + 10r = 11 + 9r + -7r

Combine like terms: 9r + -7r = 2r
3 + 10r = 11 + 2r

Solving
3 + 10r = 11 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
3 + 10r + -2r = 11 + 2r + -2r

Combine like terms: 10r + -2r = 8r
3 + 8r = 11 + 2r + -2r

Combine like terms: 2r + -2r = 0
3 + 8r = 11 + 0
3 + 8r = 11

Add '-3' to each side of the equation.
3 + -3 + 8r = 11 + -3

Combine like terms: 3 + -3 = 0
0 + 8r = 11 + -3
8r = 11 + -3

Combine like terms: 11 + -3 = 8
8r = 8

Divide each side by '8'.
r = 1

Simplifying
r = 1

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