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monitta
3 years ago
11

4(x-1)-3(x-2)=-8 How do you solve this?

Mathematics
2 answers:
hoa [83]3 years ago
4 0

Answer:

x = -10

Step-by-step explanation:

Remember: PoE = Property of Equality.

Equation: 4(x - 1) - 3(x - 2) = -8

4x - 4 - 3x + 6 = -8 ^ Distributive PoE

1x + 2 = -8 ^ Combine like-terms

x = -10 ^ Subtraction PoE

aleksandrvk [35]3 years ago
3 0

Answer:

-10

Step-by-step explanation:

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Tony tacos is selling 15 sodas for 10 dollars.Nicks nachos is selling 30 sodas for 20dollars. Write the ratios.Are the two ratio
Mandarinka [93]

Answer: The ratios are proportional

Step-by-step explanation:

Tony tacos is selling 15 sodas for 10 dollars.

Nicks nachos is selling 30 sodas for 20dollars. The ratio of the number sodas sold by Tony tacos to the number of sodas sold by Nicks nachos is 15/30 = 1/2

The ratio of the cost of sodas sold by Tony tacos to the cost of sodas sold by Nicks nachos is 10/20 = 1/2

So the number of sodas sold is proportional to the cost.

8 0
3 years ago
A company advertises two car tire models. The number of thousands of miles that the standard model tires last has a mean \mu_S =
Andrew [12]

Answer:

0.123

Step-by-step explanation:

5 0
3 years ago
Which expression is equivalent to 2(x + 7) - 2(9x - 0.4)?
Black_prince [1.1K]

Answer:

-16x+14.8

Step-by-step explanation:

2(x+7)-2(9x-0.4)

2x+14-18x+0.8

-2x+14-18x+0.8

14-16x+0.8

14+0.8-16x

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8 0
3 years ago
Write the equation of the line that passes through the point (2,-9)<br> and has a slope of -5.
balu736 [363]

Step-by-step explanation:

Find equation

y - y1 = m(x - x1)

y + 9 = -5(x - 2)

y = -5x + 10 - 9

y = -5x + 1 → Equaton

7 0
2 years ago
Does anyone know how to do this
Julli [10]
Maria = x
Tom = y

Use substitution
x+y=30
2y=x

2y+y=30
3y=30
y=10
Tom is 10 years old.

x+y=30

x+10=30
x=20
Maria is 20 years old.



5 0
3 years ago
Read 2 more answers
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