8(-1.3r+3.6)-1.9r=-6.3(r-6.4)+6

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Solution for 8(-1.3r+3.6)-1.9r=-6.3(r-6.4)+6 equation:


Simplifying
8(-1.3r + 3.6) + -1.9r = -6.3(r + -6.4) + 6

Reorder the terms:
8(3.6 + -1.3r) + -1.9r = -6.3(r + -6.4) + 6
(3.6 * 8 + -1.3r * 8) + -1.9r = -6.3(r + -6.4) + 6
(28.8 + -10.4r) + -1.9r = -6.3(r + -6.4) + 6

Combine like terms: -10.4r + -1.9r = -12.3r
28.8 + -12.3r = -6.3(r + -6.4) + 6

Reorder the terms:
28.8 + -12.3r = -6.3(-6.4 + r) + 6
28.8 + -12.3r = (-6.4 * -6.3 + r * -6.3) + 6
28.8 + -12.3r = (40.32 + -6.3r) + 6

Reorder the terms:
28.8 + -12.3r = 40.32 + 6 + -6.3r

Combine like terms: 40.32 + 6 = 46.32
28.8 + -12.3r = 46.32 + -6.3r

Solving
28.8 + -12.3r = 46.32 + -6.3r

Solving for variable 'r'.

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

Add '6.3r' to each side of the equation.
28.8 + -12.3r + 6.3r = 46.32 + -6.3r + 6.3r

Combine like terms: -12.3r + 6.3r = -6r
28.8 + -6r = 46.32 + -6.3r + 6.3r

Combine like terms: -6.3r + 6.3r = 0.0
28.8 + -6r = 46.32 + 0.0
28.8 + -6r = 46.32

Add '-28.8' to each side of the equation.
28.8 + -28.8 + -6r = 46.32 + -28.8

Combine like terms: 28.8 + -28.8 = 0.0
0.0 + -6r = 46.32 + -28.8
-6r = 46.32 + -28.8

Combine like terms: 46.32 + -28.8 = 17.52
-6r = 17.52

Divide each side by '-6'.
r = -2.92

Simplifying
r = -2.92

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