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Colt1911 [192]
3 years ago
13

What is the answer to 3x – 3 = 18​

Mathematics
2 answers:
Shalnov [3]3 years ago
8 0
The answer is 7
3x-3=18 (take 3 to the other side to solve for x)
3x=18+3 (3 will be positive)
3x=21 (divide both sides by 3)
x=7
pentagon [3]3 years ago
7 0
I got x=7 hope it helps good luck iccccf. Zndoc
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Step-by-step explanation:

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what do the following two equations represent? please help 4x+2y= 10 4x-2y= -10 a) the same line b) distance parallel lines c) p
Lady bird [3.3K]

Answer:

D

Step-by-step explanation:

The equations are

● 4x + 2y = 10 (1)

● 4x - 2y = -10 (2)

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● 4x + 2y -4x = 10 -4x

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Divide both sides by 2

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● y = 5 - 2x

● y = -2x + 5 (1)

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Add -4x to both sides

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Divide both sides by -2

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So the equation are

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Graph them

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8 0
3 years ago
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2 years ago
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AVprozaik [17]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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lyudmila [28]

Answer:

x=1/2, y=2;    

Step-by-step explanation:

First pair:

2x-5y =-9

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Add them together:

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y=10/5=2

8 0
2 years ago
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