3x-2+5x+2r-8-7x=

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Solution for 3x-2+5x+2r-8-7x= equation:


Simplifying
3x + -2 + 5x + 2r + -8 + -7x = 0

Reorder the terms:
-2 + -8 + 2r + 3x + 5x + -7x = 0

Combine like terms: -2 + -8 = -10
-10 + 2r + 3x + 5x + -7x = 0

Combine like terms: 3x + 5x = 8x
-10 + 2r + 8x + -7x = 0

Combine like terms: 8x + -7x = 1x
-10 + 2r + 1x = 0

Solving
-10 + 2r + 1x = 0

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 2r + 10 + 1x = 0 + 10

Reorder the terms:
-10 + 10 + 2r + 1x = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 2r + 1x = 0 + 10
2r + 1x = 0 + 10

Combine like terms: 0 + 10 = 10
2r + 1x = 10

Add '-1x' to each side of the equation.
2r + 1x + -1x = 10 + -1x

Combine like terms: 1x + -1x = 0
2r + 0 = 10 + -1x
2r = 10 + -1x

Divide each side by '2'.
r = 5 + -0.5x

Simplifying
r = 5 + -0.5x

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