2(5r-8)-3(r+8)=

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


Simplifying
2(5r + -8) + -3(r + 8) = 0

Reorder the terms:
2(-8 + 5r) + -3(r + 8) = 0
(-8 * 2 + 5r * 2) + -3(r + 8) = 0
(-16 + 10r) + -3(r + 8) = 0

Reorder the terms:
-16 + 10r + -3(8 + r) = 0
-16 + 10r + (8 * -3 + r * -3) = 0
-16 + 10r + (-24 + -3r) = 0

Reorder the terms:
-16 + -24 + 10r + -3r = 0

Combine like terms: -16 + -24 = -40
-40 + 10r + -3r = 0

Combine like terms: 10r + -3r = 7r
-40 + 7r = 0

Solving
-40 + 7r = 0

Solving for variable 'r'.

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

Add '40' to each side of the equation.
-40 + 40 + 7r = 0 + 40

Combine like terms: -40 + 40 = 0
0 + 7r = 0 + 40
7r = 0 + 40

Combine like terms: 0 + 40 = 40
7r = 40

Divide each side by '7'.
r = 5.714285714

Simplifying
r = 5.714285714

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