6r-1=10+r-7-8

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Solution for 6r-1=10+r-7-8 equation:


Simplifying
6r + -1 = 10 + r + -7 + -8

Reorder the terms:
-1 + 6r = 10 + r + -7 + -8

Reorder the terms:
-1 + 6r = 10 + -7 + -8 + r

Combine like terms: 10 + -7 = 3
-1 + 6r = 3 + -8 + r

Combine like terms: 3 + -8 = -5
-1 + 6r = -5 + r

Solving
-1 + 6r = -5 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-1 + 6r + -1r = -5 + r + -1r

Combine like terms: 6r + -1r = 5r
-1 + 5r = -5 + r + -1r

Combine like terms: r + -1r = 0
-1 + 5r = -5 + 0
-1 + 5r = -5

Add '1' to each side of the equation.
-1 + 1 + 5r = -5 + 1

Combine like terms: -1 + 1 = 0
0 + 5r = -5 + 1
5r = -5 + 1

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

Divide each side by '5'.
r = -0.8

Simplifying
r = -0.8

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