.4r+3+.6r=1.5(r-3)

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Solution for .4r+3+.6r=1.5(r-3) equation:


Simplifying
0.4r + 3 + 0.6r = 1.5(r + -3)

Reorder the terms:
3 + 0.4r + 0.6r = 1.5(r + -3)

Combine like terms: 0.4r + 0.6r = 1r
3 + 1r = 1.5(r + -3)

Reorder the terms:
3 + 1r = 1.5(-3 + r)
3 + 1r = (-3 * 1.5 + r * 1.5)
3 + 1r = (-4.5 + 1.5r)

Solving
3 + 1r = -4.5 + 1.5r

Solving for variable 'r'.

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

Add '-1.5r' to each side of the equation.
3 + 1r + -1.5r = -4.5 + 1.5r + -1.5r

Combine like terms: 1r + -1.5r = -0.5r
3 + -0.5r = -4.5 + 1.5r + -1.5r

Combine like terms: 1.5r + -1.5r = 0.0
3 + -0.5r = -4.5 + 0.0
3 + -0.5r = -4.5

Add '-3' to each side of the equation.
3 + -3 + -0.5r = -4.5 + -3

Combine like terms: 3 + -3 = 0
0 + -0.5r = -4.5 + -3
-0.5r = -4.5 + -3

Combine like terms: -4.5 + -3 = -7.5
-0.5r = -7.5

Divide each side by '-0.5'.
r = 15

Simplifying
r = 15

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