2(R+4)=-3-7

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Solution for 2(R+4)=-3-7 equation: 


Simplifying
2(R + 4) = -3 + -7

Reorder the terms:
2(4 + R) = -3 + -7
(4 * 2 + R * 2) = -3 + -7
(8 + 2R) = -3 + -7

Combine like terms: -3 + -7 = -10
8 + 2R = -10

Solving
8 + 2R = -10

Solving for variable 'R'.

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

Add '-8' to each side of the equation.
8 + -8 + 2R = -10 + -8

Combine like terms: 8 + -8 = 0
0 + 2R = -10 + -8
2R = -10 + -8

Combine like terms: -10 + -8 = -18
2R = -18

Divide each side by '2'.
R = -9

Simplifying
R = -9

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