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Georgia [21]
3 years ago
10

3-5 = 4a - 7(1 - 5a)

Mathematics
1 answer:
Semmy [17]3 years ago
5 0

Answer:

  a = 5/39

Step-by-step explanation:

We assume you want to solve the equation for "a".

  -2 = 4a -7 +35a . . . . simplify

  5 = 39a . . . . . . . . . .  add 7

  5/39 = a . . . . . . . . . divide by the coefficient of a

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How much greater is the value of the 6 in 4,786.53 than in 3,821.69?
zepelin [54]

Answer:

The 6 in 4,786.53, is 6 times greater than the 6 in 3,821.69.

Step-by-step explanation:

The value of 6 in 4,786.53, is in the ones. 6

The value of 6 in 3,821.69, is in the tenths. 0.6

6/0.6 = 10

The 6 in 4,786.53, is 6 times greater than the 6 in 3,821.69.

Hope that helps!

4 0
2 years ago
(-7.5) + (-5.3) (-1.9)
Lisa [10]

Answer:

2.57

Step-by-step explanation:

You first have to multiply the -5.3 times the -1.9. Once you do that, you get 10.07. Then, you add the -7.5.

Here are the equation steps:

(-7.5) + (-5.3)x(-1.9)

(-7.5) + (10.07)

2.57

6 0
3 years ago
What is the answer to 93+(68+7)
Rasek [7]

93+(68+7)do whats in the parenthesis first

93(75)

multiply them together

6975 is your answer plz rate my answer as brainliest


7 0
3 years ago
Betty had $70. She bought a necklace for $9 and a ring for $7. Which expression correctly shows the total money Betty has left?
Elodia [21]
70 - 9 - 7 = x 70 being the original amount 
4 0
3 years ago
Read 2 more answers
What is 8x - 6 - 7x + 10
photoshop1234 [79]

Simplifying

8x + -6 = 7x + 10

Reorder the terms:

-6 + 8x = 7x + 10

Reorder the terms:

-6 + 8x = 10 + 7x

Solving

-6 + 8x = 10 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.

-6 + 8x + -7x = 10 + 7x + -7x

Combine like terms: 8x + -7x = 1x

-6 + 1x = 10 + 7x + -7x

Combine like terms: 7x + -7x = 0

-6 + 1x = 10 + 0

-6 + 1x = 10

Add '6' to each side of the equation.

-6 + 6 + 1x = 10 + 6

Combine like terms: -6 + 6 = 0

0 + 1x = 10 + 6

1x = 10 + 6

Combine like terms: 10 + 6 = 16

1x = 16

Divide each side by '1'.

x = 16

Simplifying

x = 16

HOPE I HELPED!!! :)

8 0
3 years ago
Read 2 more answers
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