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3 years ago

Can you show me how you can get this answer step by step

Mathematics

1 answer:

tiny-mole [99]3 years ago

4 0

Answer:

Plug in the values for x

Step-by-step explanation:

plug in x values into the equation

for example, plug -2 into the equation. y= -2(-2). y=4

So on and so forth

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-2x + 4 = 3 how would you solve this problem?

ikadub [295]

-2x+4=3
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-2x+4=3
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-2x=-1
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-2x=-1
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3 years ago

The sum of two numbers is 90. Their difference is 18. Find the numbers.

Naddik [55]

Answer:

36 & 54

Step-by-step explanation:

By Question :-

Sum of numbers = 90 .
Difference of numbers = 18 .

Let :-

First Number be x .
Second number be y .

According to 1st condition :-

$: \implies$ x + y = 90

According to 2nd condition :-

$: \implies$ x - y = 18

Adding the equations :-

$: \implies$ 2x = 18 + 90

$: \implies$ 2x = 108

$: \implies$ x = 54

Therefore :-

$: \implies$ First number = 54

$: \implies$ Second number = 36

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