5.7t+2.8r-7.8t+6.4r=

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Solution for 5.7t+2.8r-7.8t+6.4r= equation: 


Simplifying
5.7t + 2.8r + -7.8t + 6.4r = 0

Reorder the terms:
2.8r + 6.4r + 5.7t + -7.8t = 0

Combine like terms: 2.8r + 6.4r = 9.2r
9.2r + 5.7t + -7.8t = 0

Combine like terms: 5.7t + -7.8t = -2.1t
9.2r + -2.1t = 0

Solving
9.2r + -2.1t = 0

Solving for variable 'r'.

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

Add '2.1t' to each side of the equation.
9.2r + -2.1t + 2.1t = 0 + 2.1t

Combine like terms: -2.1t + 2.1t = 0.0
9.2r + 0.0 = 0 + 2.1t
9.2r = 0 + 2.1t
Remove the zero:
9.2r = 2.1t

Divide each side by '9.2'.
r = 0.2282608696t

Simplifying
r = 0.2282608696t

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