1.6r+4(2+3.6r)-5=

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Solution for 1.6r+4(2+3.6r)-5= equation:


Simplifying
1.6r + 4(2 + 3.6r) + -5 = 0
1.6r + (2 * 4 + 3.6r * 4) + -5 = 0
1.6r + (8 + 14.4r) + -5 = 0

Reorder the terms:
8 + -5 + 1.6r + 14.4r = 0

Combine like terms: 8 + -5 = 3
3 + 1.6r + 14.4r = 0

Combine like terms: 1.6r + 14.4r = 16r
3 + 16r = 0

Solving
3 + 16r = 0

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + 16r = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 16r = 0 + -3
16r = 0 + -3

Combine like terms: 0 + -3 = -3
16r = -3

Divide each side by '16'.
r = -0.1875

Simplifying
r = -0.1875

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