Question

Use the method of elimination to solve 4p+3q=9

Answer 1

Answer:

Q=-1

Step-by-step explanation:

4P+3Q=9-1

2P+3Q=3-2

(-)(-)(-)

2P=6

P=3

PUT P=3 IN EQUATION 1 WE GET

4(3) +3Q=9

12+3Q=9

3Q=9-12

3Q=-3

Q=-1

THIS IS YOUR ANSWER

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Answer 2

Step-by-step explanation:

4p-3q=9

$4p - 3q = 9 \\ 2p + 3q = - 3 \\ ( - )( - )( - ) \\ 2p = 6 p \\ p = 3\\ \\ put \: p \: value \: in \: eg(1) \\ 4 \times 3 + 3p \\ q = 9 \\ 12 + 3q = 9 \\ 3q = 9 - 12 \\ \\ \\ \\ q = -3 - 3 = - 1$

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