18.4=-18r-(6r-3.4)

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Solution for 18.4=-18r-(6r-3.4) equation: 


Simplifying
18.4 = -18r + -1(6r + -3.4)

Reorder the terms:
18.4 = -18r + -1(-3.4 + 6r)
18.4 = -18r + (-3.4 * -1 + 6r * -1)
18.4 = -18r + (3.4 + -6r)

Reorder the terms:
18.4 = 3.4 + -18r + -6r

Combine like terms: -18r + -6r = -24r
18.4 = 3.4 + -24r

Solving
18.4 = 3.4 + -24r

Solving for variable 'r'.

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

Add '24r' to each side of the equation.
18.4 + 24r = 3.4 + -24r + 24r

Combine like terms: -24r + 24r = 0
18.4 + 24r = 3.4 + 0
18.4 + 24r = 3.4

Add '-18.4' to each side of the equation.
18.4 + -18.4 + 24r = 3.4 + -18.4

Combine like terms: 18.4 + -18.4 = 0.0
0.0 + 24r = 3.4 + -18.4
24r = 3.4 + -18.4

Combine like terms: 3.4 + -18.4 = -15
24r = -15

Divide each side by '24'.
r = -0.625

Simplifying
r = -0.625

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