7+2r-3=6r+18-2r

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Solution for 7+2r-3=6r+18-2r equation:


Simplifying
7 + 2r + -3 = 6r + 18 + -2r

Reorder the terms:
7 + -3 + 2r = 6r + 18 + -2r

Combine like terms: 7 + -3 = 4
4 + 2r = 6r + 18 + -2r

Reorder the terms:
4 + 2r = 18 + 6r + -2r

Combine like terms: 6r + -2r = 4r
4 + 2r = 18 + 4r

Solving
4 + 2r = 18 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
4 + 2r + -4r = 18 + 4r + -4r

Combine like terms: 2r + -4r = -2r
4 + -2r = 18 + 4r + -4r

Combine like terms: 4r + -4r = 0
4 + -2r = 18 + 0
4 + -2r = 18

Add '-4' to each side of the equation.
4 + -4 + -2r = 18 + -4

Combine like terms: 4 + -4 = 0
0 + -2r = 18 + -4
-2r = 18 + -4

Combine like terms: 18 + -4 = 14
-2r = 14

Divide each side by '-2'.
r = -7

Simplifying
r = -7

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