-3r-(r-2)=34-8r

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Solution for -3r-(r-2)=34-8r equation:


Simplifying
-3r + -1(r + -2) = 34 + -8r

Reorder the terms:
-3r + -1(-2 + r) = 34 + -8r
-3r + (-2 * -1 + r * -1) = 34 + -8r
-3r + (2 + -1r) = 34 + -8r

Reorder the terms:
2 + -3r + -1r = 34 + -8r

Combine like terms: -3r + -1r = -4r
2 + -4r = 34 + -8r

Solving
2 + -4r = 34 + -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.
2 + -4r + 8r = 34 + -8r + 8r

Combine like terms: -4r + 8r = 4r
2 + 4r = 34 + -8r + 8r

Combine like terms: -8r + 8r = 0
2 + 4r = 34 + 0
2 + 4r = 34

Add '-2' to each side of the equation.
2 + -2 + 4r = 34 + -2

Combine like terms: 2 + -2 = 0
0 + 4r = 34 + -2
4r = 34 + -2

Combine like terms: 34 + -2 = 32
4r = 32

Divide each side by '4'.
r = 8

Simplifying
r = 8

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