3r+7=-3+r-5-3r

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Solution for 3r+7=-3+r-5-3r equation: 


Simplifying
3r + 7 = -3 + r + -5 + -3r

Reorder the terms:
7 + 3r = -3 + r + -5 + -3r

Reorder the terms:
7 + 3r = -3 + -5 + r + -3r

Combine like terms: -3 + -5 = -8
7 + 3r = -8 + r + -3r

Combine like terms: r + -3r = -2r
7 + 3r = -8 + -2r

Solving
7 + 3r = -8 + -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 + 3r + 2r = -8 + -2r + 2r

Combine like terms: 3r + 2r = 5r
7 + 5r = -8 + -2r + 2r

Combine like terms: -2r + 2r = 0
7 + 5r = -8 + 0
7 + 5r = -8

Add '-7' to each side of the equation.
7 + -7 + 5r = -8 + -7

Combine like terms: 7 + -7 = 0
0 + 5r = -8 + -7
5r = -8 + -7

Combine like terms: -8 + -7 = -15
5r = -15

Divide each side by '5'.
r = -3

Simplifying
r = -3

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