write all of the answers in the given picture using cris cross method
please do it in ur note book
i mean it
please answer all
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plz refer to the attachment above
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Answer:
Let add both equation
5x + 3y = 9
+ 4x - 3y = (-18)
____________
9x = (-9)
:. x = (-1)
put this value in equation 1
\longrightarrow \rm 5x + 3y = 9⟶5x+3y=9
\longrightarrow \rm 5 \times ( - 1) + 3y = 9⟶5×(−1)+3y=9
\longrightarrow \rm ( - 5) + 3y = 9⟶(−5)+3y=9
\longrightarrow \rm 3y = 9 + 5⟶3y=9+5
\longrightarrow \rm 3y = 14⟶3y=14
\begin{gathered} \longrightarrow \blue{\boxed{ \rm y = \frac{14}{3} }}\\ \end{gathered}
⟶
y=
3
14
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