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a_sh-v [17]
3 years ago
15

Solve the simultaneous equations: 5x + 3y = 9 7x - 2y = 25 x=__ y=__

Mathematics
1 answer:
kondor19780726 [428]3 years ago
5 0

Answer:

x= 3, y= -2

Step-by-step explanation:

5x+3y= 9

x= 25÷7 + 2÷7 y

5(25÷7 +2÷7 y)

5( 25÷7 +2÷7 y ) + 3y= 9

y= -2

x= 25÷7 + 2÷7 x (-2)

x= 3

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Step-by-step explanation:

<u>There is a mistake in the question so the correct is below:</u>

What is 6 tenths 20 thousandths 4 ones and 50 hundreds.

Now, to solve it:

So, we arrange it in sequence:

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4 years ago
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