7+r=1+2r

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Solution for 7+r=1+2r equation:


Simplifying
7 + r = 1 + 2r

Solving
7 + r = 1 + 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.
7 + r + -2r = 1 + 2r + -2r

Combine like terms: r + -2r = -1r
7 + -1r = 1 + 2r + -2r

Combine like terms: 2r + -2r = 0
7 + -1r = 1 + 0
7 + -1r = 1

Add '-7' to each side of the equation.
7 + -7 + -1r = 1 + -7

Combine like terms: 7 + -7 = 0
0 + -1r = 1 + -7
-1r = 1 + -7

Combine like terms: 1 + -7 = -6
-1r = -6

Divide each side by '-1'.
r = 6

Simplifying
r = 6

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