7r+7=2r-3

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


Simplifying
7r + 7 = 2r + -3

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

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

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

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

Combine like terms: 2r + -2r = 0
7 + 5r = -3 + 0
7 + 5r = -3

Add '-7' to each side of the equation.
7 + -7 + 5r = -3 + -7

Combine like terms: 7 + -7 = 0
0 + 5r = -3 + -7
5r = -3 + -7

Combine like terms: -3 + -7 = -10
5r = -10

Divide each side by '5'.
r = -2

Simplifying
r = -2

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