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djverab [1.8K]
3 years ago
12

What is 4(-2) - 2y =8?

Mathematics
2 answers:
vladimir1956 [14]3 years ago
7 0

Answer:

y=-8

Step-by-step explanation:

Remember PEMDAS (Parentheses/Exponents/Multiplication/Division/Adding/Subtracting)

Multiply 4 and -2= -8

-8-2y=8

Now do inverse operations

to get rid of the -8 you add it to the other side = -2y=16

Then to get rid of the -2 you divide it out to get the y by it self to get y=-8

nlexa [21]3 years ago
5 0

Answer:

y=-8

Step-by-step explanation:

Step 1) distribute 4(-2)

-8-2y=8

Step 2) add 8 to both sides

-2y=16

Step 3) divide both sides by -2

y=-8

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Read 2 more answers
8x - 14 = 7.7x + 3x
djverab [1.8K]

Answer:

x=5.2

Step-by-step explanation:

8x−14=7.7x+3x

Step 1: Simplify both sides of the equation.

8x−14=7.7x+3x

8x+−14=7.7x+3x

8x−14=(7.7x+3x)(Combine Like Terms)

8x−14=10.7x

8x−14=10.7x

Step 2: Subtract 10.7x from both sides.

8x−14−10.7x=10.7x−10.7x

−2.7x−14=0

Step 3: Add 14 to both sides.

−2.7x−14+14=0+14

−2.7x=14

Step 4: Divide both sides by -2.7.

−2.7x /−2.7  = 14 /−2.7

x=−5.185185 or 5.2

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3 years ago
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