3r-2+4r-2=3r-2r+7r+1

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Solution for 3r-2+4r-2=3r-2r+7r+1 equation:


Simplifying
3r + -2 + 4r + -2 = 3r + -2r + 7r + 1

Reorder the terms:
-2 + -2 + 3r + 4r = 3r + -2r + 7r + 1

Combine like terms: -2 + -2 = -4
-4 + 3r + 4r = 3r + -2r + 7r + 1

Combine like terms: 3r + 4r = 7r
-4 + 7r = 3r + -2r + 7r + 1

Reorder the terms:
-4 + 7r = 1 + 3r + -2r + 7r

Combine like terms: 3r + -2r = 1r
-4 + 7r = 1 + 1r + 7r

Combine like terms: 1r + 7r = 8r
-4 + 7r = 1 + 8r

Solving
-4 + 7r = 1 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-4 + 7r + -8r = 1 + 8r + -8r

Combine like terms: 7r + -8r = -1r
-4 + -1r = 1 + 8r + -8r

Combine like terms: 8r + -8r = 0
-4 + -1r = 1 + 0
-4 + -1r = 1

Add '4' to each side of the equation.
-4 + 4 + -1r = 1 + 4

Combine like terms: -4 + 4 = 0
0 + -1r = 1 + 4
-1r = 1 + 4

Combine like terms: 1 + 4 = 5
-1r = 5

Divide each side by '-1'.
r = -5

Simplifying
r = -5

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