10(2r+3)=-20

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Solution for 10(2r+3)=-20 equation:


Simplifying
10(2r + 3) = -20

Reorder the terms:
10(3 + 2r) = -20
(3 * 10 + 2r * 10) = -20
(30 + 20r) = -20

Solving
30 + 20r = -20

Solving for variable 'r'.

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

Add '-30' to each side of the equation.
30 + -30 + 20r = -20 + -30

Combine like terms: 30 + -30 = 0
0 + 20r = -20 + -30
20r = -20 + -30

Combine like terms: -20 + -30 = -50
20r = -50

Divide each side by '20'.
r = -2.5

Simplifying
r = -2.5

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