-38+8r=-r+8(3r-1)

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Solution for -38+8r=-r+8(3r-1) equation:


Simplifying
-38 + 8r = -1r + 8(3r + -1)

Reorder the terms:
-38 + 8r = -1r + 8(-1 + 3r)
-38 + 8r = -1r + (-1 * 8 + 3r * 8)
-38 + 8r = -1r + (-8 + 24r)

Reorder the terms:
-38 + 8r = -8 + -1r + 24r

Combine like terms: -1r + 24r = 23r
-38 + 8r = -8 + 23r

Solving
-38 + 8r = -8 + 23r

Solving for variable 'r'.

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

Add '-23r' to each side of the equation.
-38 + 8r + -23r = -8 + 23r + -23r

Combine like terms: 8r + -23r = -15r
-38 + -15r = -8 + 23r + -23r

Combine like terms: 23r + -23r = 0
-38 + -15r = -8 + 0
-38 + -15r = -8

Add '38' to each side of the equation.
-38 + 38 + -15r = -8 + 38

Combine like terms: -38 + 38 = 0
0 + -15r = -8 + 38
-15r = -8 + 38

Combine like terms: -8 + 38 = 30
-15r = 30

Divide each side by '-15'.
r = -2

Simplifying
r = -2

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