Question: How do i solev this 3 of 4 N 3. Solve the simultaneous equations: (hint: Use u and v substitution) 12(x + y) - 3(x

How do i solev this

3 of 4 N 3. Solve the simultaneous equations: (hint: Use "u" and "v" substitution) 12(x + y) - 3(x - y)=4 15(x+ y) - 7(x - y)= 2 w 4. Solve the following simultaneous equations graphically. Use an appropriate coordinate system. [y = 2x - 1 2x + 2y = 4X Test 3 Simultan... 2 of 4 1. Solve the following simultaneous equations by using the substitution method: y = 5 - 2x 3x - y = 6 2. Solve the simultaneous equations. You can choose your method - elimination or substitution. x y=-1 4 3( x - y ) _ 2 =3 N 3. Solve the simultaneous equations: (hint: Use "u" and "v" substitution) 12(x + y) - 3(x - y) = 4 15(x+ y) - 7(x - y) = 215(x + y) - 7(x - y) =2 4 of 4 w 4. Solve the following simultaneous equations graphically. Use an appropriate coordinate system. y = 2x - 1 2x + 2y = 4 5. BONUS QUESTION: The perimeter of a rectangle is 36 m and its area is 65m. Find the sides of the rectangle. 4

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