7-3r=r-(2+r)

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Solution for 7-3r=r-(2+r) equation:


Simplifying
7 + -3r = r + -1(2 + r)
7 + -3r = r + (2 * -1 + r * -1)
7 + -3r = r + (-2 + -1r)

Reorder the terms:
7 + -3r = -2 + r + -1r

Combine like terms: r + -1r = 0
7 + -3r = -2 + 0
7 + -3r = -2

Solving
7 + -3r = -2

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 = -2 + -7

Combine like terms: 7 + -7 = 0
0 + -3r = -2 + -7
-3r = -2 + -7

Combine like terms: -2 + -7 = -9
-3r = -9

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

Simplifying
r = 3

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