0.35t+0.65(100-t)=0.87(100)

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Solution for 0.35t+0.65(100-t)=0.87(100) equation: 


Simplifying
0.35t + 0.65(100 + -1t) = 0.87(100)
0.35t + (100 * 0.65 + -1t * 0.65) = 0.87(100)
0.35t + (65 + -0.65t) = 0.87(100)

Reorder the terms:
65 + 0.35t + -0.65t = 0.87(100)

Combine like terms: 0.35t + -0.65t = -0.3t
65 + -0.3t = 0.87(100)

Multiply 0.87 * 100
65 + -0.3t = 87

Solving
65 + -0.3t = 87

Solving for variable 't'.

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

Add '-65' to each side of the equation.
65 + -65 + -0.3t = 87 + -65

Combine like terms: 65 + -65 = 0
0 + -0.3t = 87 + -65
-0.3t = 87 + -65

Combine like terms: 87 + -65 = 22
-0.3t = 22

Divide each side by '-0.3'.
t = -73.33333333

Simplifying
t = -73.33333333

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