7=1-6r

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Solution for 7=1-6r equation:


Simplifying
7 = 1 + -6r

Solving
7 = 1 + -6r

Solving for variable 'r'.

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

Add '6r' to each side of the equation.
7 + 6r = 1 + -6r + 6r

Combine like terms: -6r + 6r = 0
7 + 6r = 1 + 0
7 + 6r = 1

Add '-7' to each side of the equation.
7 + -7 + 6r = 1 + -7

Combine like terms: 7 + -7 = 0
0 + 6r = 1 + -7
6r = 1 + -7

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

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

Simplifying
r = -1

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