-9.4=7.2r-3.7(r+2)

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Solution for -9.4=7.2r-3.7(r+2) equation:


Simplifying
-9.4 = 7.2r + -3.7(r + 2)

Reorder the terms:
-9.4 = 7.2r + -3.7(2 + r)
-9.4 = 7.2r + (2 * -3.7 + r * -3.7)
-9.4 = 7.2r + (-7.4 + -3.7r)

Reorder the terms:
-9.4 = -7.4 + 7.2r + -3.7r

Combine like terms: 7.2r + -3.7r = 3.5r
-9.4 = -7.4 + 3.5r

Solving
-9.4 = -7.4 + 3.5r

Solving for variable 'r'.

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

Add '-3.5r' to each side of the equation.
-9.4 + -3.5r = -7.4 + 3.5r + -3.5r

Combine like terms: 3.5r + -3.5r = 0.0
-9.4 + -3.5r = -7.4 + 0.0
-9.4 + -3.5r = -7.4

Add '9.4' to each side of the equation.
-9.4 + 9.4 + -3.5r = -7.4 + 9.4

Combine like terms: -9.4 + 9.4 = 0.0
0.0 + -3.5r = -7.4 + 9.4
-3.5r = -7.4 + 9.4

Combine like terms: -7.4 + 9.4 = 2
-3.5r = 2

Divide each side by '-3.5'.
r = -0.5714285714

Simplifying
r = -0.5714285714

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