6(r-2)-3r-1=8(5r+1)-10r

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Solution for 6(r-2)-3r-1=8(5r+1)-10r equation:


Simplifying
6(r + -2) + -3r + -1 = 8(5r + 1) + -10r

Reorder the terms:
6(-2 + r) + -3r + -1 = 8(5r + 1) + -10r
(-2 * 6 + r * 6) + -3r + -1 = 8(5r + 1) + -10r
(-12 + 6r) + -3r + -1 = 8(5r + 1) + -10r

Reorder the terms:
-12 + -1 + 6r + -3r = 8(5r + 1) + -10r

Combine like terms: -12 + -1 = -13
-13 + 6r + -3r = 8(5r + 1) + -10r

Combine like terms: 6r + -3r = 3r
-13 + 3r = 8(5r + 1) + -10r

Reorder the terms:
-13 + 3r = 8(1 + 5r) + -10r
-13 + 3r = (1 * 8 + 5r * 8) + -10r
-13 + 3r = (8 + 40r) + -10r

Combine like terms: 40r + -10r = 30r
-13 + 3r = 8 + 30r

Solving
-13 + 3r = 8 + 30r

Solving for variable 'r'.

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

Add '-30r' to each side of the equation.
-13 + 3r + -30r = 8 + 30r + -30r

Combine like terms: 3r + -30r = -27r
-13 + -27r = 8 + 30r + -30r

Combine like terms: 30r + -30r = 0
-13 + -27r = 8 + 0
-13 + -27r = 8

Add '13' to each side of the equation.
-13 + 13 + -27r = 8 + 13

Combine like terms: -13 + 13 = 0
0 + -27r = 8 + 13
-27r = 8 + 13

Combine like terms: 8 + 13 = 21
-27r = 21

Divide each side by '-27'.
r = -0.7777777778

Simplifying
r = -0.7777777778

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