-6=.75(r-12)

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Solution for -6=.75(r-12) equation:


Simplifying
-6 = 0.75(r + -12)

Reorder the terms:
-6 = 0.75(-12 + r)
-6 = (-12 * 0.75 + r * 0.75)
-6 = (-9 + 0.75r)

Solving
-6 = -9 + 0.75r

Solving for variable 'r'.

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

Add '-0.75r' to each side of the equation.
-6 + -0.75r = -9 + 0.75r + -0.75r

Combine like terms: 0.75r + -0.75r = 0.00
-6 + -0.75r = -9 + 0.00
-6 + -0.75r = -9

Add '6' to each side of the equation.
-6 + 6 + -0.75r = -9 + 6

Combine like terms: -6 + 6 = 0
0 + -0.75r = -9 + 6
-0.75r = -9 + 6

Combine like terms: -9 + 6 = -3
-0.75r = -3

Divide each side by '-0.75'.
r = 4

Simplifying
r = 4

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