7(2-r)-2(3r+8)=24

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Solution for 7(2-r)-2(3r+8)=24 equation:


Simplifying
7(2 + -1r) + -2(3r + 8) = 24
(2 * 7 + -1r * 7) + -2(3r + 8) = 24
(14 + -7r) + -2(3r + 8) = 24

Reorder the terms:
14 + -7r + -2(8 + 3r) = 24
14 + -7r + (8 * -2 + 3r * -2) = 24
14 + -7r + (-16 + -6r) = 24

Reorder the terms:
14 + -16 + -7r + -6r = 24

Combine like terms: 14 + -16 = -2
-2 + -7r + -6r = 24

Combine like terms: -7r + -6r = -13r
-2 + -13r = 24

Solving
-2 + -13r = 24

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + -13r = 24 + 2

Combine like terms: -2 + 2 = 0
0 + -13r = 24 + 2
-13r = 24 + 2

Combine like terms: 24 + 2 = 26
-13r = 26

Divide each side by '-13'.
r = -2

Simplifying
r = -2

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