cookieninjabro
contestada

Solve the system of equation.

+3=17
x
+
3
y
=
17

−+2=8
−
x
+
2
y
=
8



Step 1: Find the LCM to eliminate the x.

Step 2: Write the new equation.

Step 3: Divide to solve for y.

Respuesta :

semsee45

Answer:

Equation 1:   x + 3y = 17

Equation 2:  -x + 2y = 8

Add Equation 2 to Equation 1:

     x + 3y = 17

+   -x + 2y = 8

           5y = 25

Divide both sides by 5:

[tex]\sf \implies \dfrac{5y}{5}=\dfrac{25}{5}[/tex]

[tex]\sf \implies y=5[/tex]

Otras preguntas