1=1-2r-3r

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Solution for 1=1-2r-3r equation:


Simplifying
1 = 1 + -2r + -3r

Combine like terms: -2r + -3r = -5r
1 = 1 + -5r

Add '-1' to each side of the equation.
1 + -1 = 1 + -1 + -5r

Combine like terms: 1 + -1 = 0
0 = 1 + -1 + -5r

Combine like terms: 1 + -1 = 0
0 = 0 + -5r
0 = -5r

Solving
0 = -5r

Solving for variable 'r'.

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

Add '5r' to each side of the equation.
0 + 5r = -5r + 5r
Remove the zero:
5r = -5r + 5r

Combine like terms: -5r + 5r = 0
5r = 0

Divide each side by '5'.
r = 0

Simplifying
r = 0

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