6r-r+8(15-r)23-66=0

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Solution for 6r-r+8(15-r)23-66=0 equation:


Simplifying
6r + -1r + 8(15 + -1r) * 23 + -66 = 0

Reorder the terms for easier multiplication:
6r + -1r + 8 * 23(15 + -1r) + -66 = 0

Multiply 8 * 23
6r + -1r + 184(15 + -1r) + -66 = 0
6r + -1r + (15 * 184 + -1r * 184) + -66 = 0
6r + -1r + (2760 + -184r) + -66 = 0

Reorder the terms:
2760 + -66 + 6r + -1r + -184r = 0

Combine like terms: 2760 + -66 = 2694
2694 + 6r + -1r + -184r = 0

Combine like terms: 6r + -1r = 5r
2694 + 5r + -184r = 0

Combine like terms: 5r + -184r = -179r
2694 + -179r = 0

Solving
2694 + -179r = 0

Solving for variable 'r'.

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

Add '-2694' to each side of the equation.
2694 + -2694 + -179r = 0 + -2694

Combine like terms: 2694 + -2694 = 0
0 + -179r = 0 + -2694
-179r = 0 + -2694

Combine like terms: 0 + -2694 = -2694
-179r = -2694

Divide each side by '-179'.
r = 15.05027933

Simplifying
r = 15.05027933

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