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ivann1987 [24]
3 years ago
11

Help help help help what is the answer −5(4x−3)−x+5=190!!!

Mathematics
1 answer:
artcher [175]3 years ago
8 0
X=8.5
190-5=185
185/-5=-37
-37-3=-34
34/4=8.5

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Answer:

Equation is 0.5 \text{ gal }\times(0.1)+ x\text{ gal }\times (0.35)=(0.5 + x)\times (0.15)

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Step-by-step explanation:

Given : Eli wants to combine 0.5 gallon of a 10% acid solution with some 35% acid solution to make a 15% acid solution.

To find : Equation can you use to determine how many gallons of the 35% acid solution Eli should add?

Solution :

Let x be the gallons of the 35% acid solution.

According to question,

For 0.5 gallon of a 10% acid solution = 0.5\times 0.1

For x gallon of a 35% acid solution = x\times 0.35

For (0.5+x) gallon of a 15% acid solution = 0.5+x\times 0.15

The equation form is

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