18(-1.5)+R=3R-(-2)2

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Solution for 18(-1.5)+R=3R-(-2)2 equation:


Simplifying
18(-1.5) + R = 3R + -1(-2) * 2

Multiply 18 * -1.5
-27 + R = 3R + -1(-2) * 2

Multiply -1 * -2
-27 + R = 3R + 2 * 2

Multiply 2 * 2
-27 + R = 3R + 4

Reorder the terms:
-27 + R = 4 + 3R

Solving
-27 + R = 4 + 3R

Solving for variable 'R'.

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

Add '-3R' to each side of the equation.
-27 + R + -3R = 4 + 3R + -3R

Combine like terms: R + -3R = -2R
-27 + -2R = 4 + 3R + -3R

Combine like terms: 3R + -3R = 0
-27 + -2R = 4 + 0
-27 + -2R = 4

Add '27' to each side of the equation.
-27 + 27 + -2R = 4 + 27

Combine like terms: -27 + 27 = 0
0 + -2R = 4 + 27
-2R = 4 + 27

Combine like terms: 4 + 27 = 31
-2R = 31

Divide each side by '-2'.
R = -15.5

Simplifying
R = -15.5

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