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Fynjy0 [20]
2 years ago
9

2y=-x+9 3x - 6y=-15 pls helpppp

Mathematics
1 answer:
Vlad1618 [11]2 years ago
3 0

Answer:

Step-by-step explanation:

The given equations are:

1) 2y = -x + 9

⇒ x = 9-2y

2) 3x - 6y = -15

⇒3x = 6y - 15

x = 2y - 5

Equating the values of x, we get:

9 - 2y = 2y - 5

9 + 5 = 4y

14 = 4y

y = 3.5

Using this value of y in equation 1 we get:

x = 9 - 2(3.5) = 2

So, the solution set is (2, 3.5)

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\qquad \qquad \huge \pink {\sf{☁Answer☁}} \\  \\

\large \purple { \rm{Let's  \: solve→}} \\

\rm{3(2x-5)=4x+33} \\  \\  \rm {solving \: bracket} \\  \\ \rm{6x - 15= 4x + 33} \\  \\ \rm{arranging \: terms} \\  \\  \rm{6x - 4x = 33  +  15} \\  \\  \rm{2x = 48} \\  \\  \rm{x =  \frac{48}{2} } \\  \\  \rm{x =  \cancel \frac{48}{2} } \\  \\  \rm{x = 24}

\purple{\rule{15mm}{2.9pt}} \red{\rule18mm{2.5pt}} \orange{ \rule18mm{2.5pt}}

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