-3=r(1.6)-5(2.56)

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Solution for -3=r(1.6)-5(2.56) equation:


Simplifying
-3 = r(1.6) + -5(2.56)

Reorder the terms for easier multiplication:
-3 = 1.6r + -5(2.56)

Multiply -5 * 2.56
-3 = 1.6r + -12.8

Reorder the terms:
-3 = -12.8 + 1.6r

Solving
-3 = -12.8 + 1.6r

Solving for variable 'r'.

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

Add '-1.6r' to each side of the equation.
-3 + -1.6r = -12.8 + 1.6r + -1.6r

Combine like terms: 1.6r + -1.6r = 0.0
-3 + -1.6r = -12.8 + 0.0
-3 + -1.6r = -12.8

Add '3' to each side of the equation.
-3 + 3 + -1.6r = -12.8 + 3

Combine like terms: -3 + 3 = 0
0 + -1.6r = -12.8 + 3
-1.6r = -12.8 + 3

Combine like terms: -12.8 + 3 = -9.8
-1.6r = -9.8

Divide each side by '-1.6'.
r = 6.125

Simplifying
r = 6.125

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