.3(20r+6)-(r-3)=

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Solution for .3(20r+6)-(r-3)= equation:


Simplifying
0.3(20r + 6) + -1(r + -3) = 0

Reorder the terms:
0.3(6 + 20r) + -1(r + -3) = 0
(6 * 0.3 + 20r * 0.3) + -1(r + -3) = 0
(1.8 + 6r) + -1(r + -3) = 0

Reorder the terms:
1.8 + 6r + -1(-3 + r) = 0
1.8 + 6r + (-3 * -1 + r * -1) = 0
1.8 + 6r + (3 + -1r) = 0

Reorder the terms:
1.8 + 3 + 6r + -1r = 0

Combine like terms: 1.8 + 3 = 4.8
4.8 + 6r + -1r = 0

Combine like terms: 6r + -1r = 5r
4.8 + 5r = 0

Solving
4.8 + 5r = 0

Solving for variable 'r'.

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

Add '-4.8' to each side of the equation.
4.8 + -4.8 + 5r = 0 + -4.8

Combine like terms: 4.8 + -4.8 = 0.0
0.0 + 5r = 0 + -4.8
5r = 0 + -4.8

Combine like terms: 0 + -4.8 = -4.8
5r = -4.8

Divide each side by '5'.
r = -0.96

Simplifying
r = -0.96

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