15r-10r-r+2r+4r+1=11

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Solution for 15r-10r-r+2r+4r+1=11 equation:


Simplifying
15r + -10r + -1r + 2r + 4r + 1 = 11

Reorder the terms:
1 + 15r + -10r + -1r + 2r + 4r = 11

Combine like terms: 15r + -10r = 5r
1 + 5r + -1r + 2r + 4r = 11

Combine like terms: 5r + -1r = 4r
1 + 4r + 2r + 4r = 11

Combine like terms: 4r + 2r = 6r
1 + 6r + 4r = 11

Combine like terms: 6r + 4r = 10r
1 + 10r = 11

Solving
1 + 10r = 11

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + 10r = 11 + -1

Combine like terms: 1 + -1 = 0
0 + 10r = 11 + -1
10r = 11 + -1

Combine like terms: 11 + -1 = 10
10r = 10

Divide each side by '10'.
r = 1

Simplifying
r = 1

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