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Cerrena [4.2K]
3 years ago
8

How to solve absolute value 2|x+9|+3=7

Mathematics
1 answer:
ollegr [7]3 years ago
3 0

Answer:

x = -7, -11

Step-by-step explanation:

2|x+9|+3 = 7

subtract 3 from both sides of equation

2|x+9| = 4

divide 2 from both sides of equation

|x+9| = 2

Absolute values:

x+9 = 2 and x+9 = -2

   x = -7 and     x = -11

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Bart used place value and the distributive property to rewrite the expression 6(412). His work is shown below. 6(412) = 6(400 +
egoroff_w [7]

Bart should;

Multiply 6(400), 6(10), and 6(2) ⇒ 2nd

Multiply each addend by 6 ⇒ 4th

Find the sum of (2400 + 60 + 12) ⇒ 5th

Step-by-step explanation:

Let us revise the distributive property

  • a(b + c) = ab + ac
  • a(b + c + d) = ab + ac + ad

Bart used place value and the distributive property to rewrite the

expression 6(412)

His work is shown 6(412) = 6(400 + 10 + 2)

We need to know what Bart should do to find the product

∵ 6(412) = 6(400 + 10 + 2)

- Multiply each number in the bracket by 6 in the right hand side

∴ 6(400 + 10 + 2) = (6)(400) + (6)(10) + 6(2)

∴ 6(400 + 10 + 2) = 2400 + 60 + 12

∴ He should to multiply each addend by 6 and then find the sum of

  (2400 + 60 + 12)

Bart should;

Multiply 6(400), 6(10), and 6(2)

Multiply each addend by 6

Find the sum of (2400 + 60 + 12)

Learn more:

You can learn more about the place value in brainly.com/question/120752

#LearnwithBrainly

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3 years ago
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tatiyna
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The library charges $2 to use the copier and $0.99 for each paid copied.if Jerry paid the librarian $8.93 ,how many copies did H
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The other inequality is y > x because we shade above the dashed boundary line y = x, which is that slanted dashed line.

Combining the two regions of y > 2 and y > x leads to what is shown.

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Please help me with this
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