7-3r=r-(r+1)

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Solution for 7-3r=r-(r+1) equation:


Simplifying
7 + -3r = r + -1(r + 1)

Reorder the terms:
7 + -3r = r + -1(1 + r)
7 + -3r = r + (1 * -1 + r * -1)
7 + -3r = r + (-1 + -1r)

Reorder the terms:
7 + -3r = -1 + r + -1r

Combine like terms: r + -1r = 0
7 + -3r = -1 + 0
7 + -3r = -1

Solving
7 + -3r = -1

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + -3r = -1 + -7

Combine like terms: 7 + -7 = 0
0 + -3r = -1 + -7
-3r = -1 + -7

Combine like terms: -1 + -7 = -8
-3r = -8

Divide each side by '-3'.
r = 2.666666667

Simplifying
r = 2.666666667

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