0.7t+0.9(12-t)=9.8

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Solution for 0.7t+0.9(12-t)=9.8 equation: 


Simplifying
0.7t + 0.9(12 + -1t) = 9.8
0.7t + (12 * 0.9 + -1t * 0.9) = 9.8
0.7t + (10.8 + -0.9t) = 9.8

Reorder the terms:
10.8 + 0.7t + -0.9t = 9.8

Combine like terms: 0.7t + -0.9t = -0.2t
10.8 + -0.2t = 9.8

Solving
10.8 + -0.2t = 9.8

Solving for variable 't'.

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

Add '-10.8' to each side of the equation.
10.8 + -10.8 + -0.2t = 9.8 + -10.8

Combine like terms: 10.8 + -10.8 = 0.0
0.0 + -0.2t = 9.8 + -10.8
-0.2t = 9.8 + -10.8

Combine like terms: 9.8 + -10.8 = -1
-0.2t = -1

Divide each side by '-0.2'.
t = 5

Simplifying
t = 5

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