Question

Solve the system of equations using the linear combination method. {c+d=17c−d=3 Enter your answers in the boxes

Answer 1

Solving the system of equations, we get value of c= 10 and value of d= 7

Step-by-step explanation:

Solving the system of equations:

$c+d=17\\c-d=3$

Let:

$c+d=17\,\,\,eq(1)\\c-d=3\,\,\,eq(2)$

Adding eq(1) and eq(2)

$c+d=17\\c-d=3\\------\\2c+0d=20\\c=20/2\\c=10$

So, value of c = 10

Now putting value of c in equation 1 to find value of y

$c+d=17\\10+d=17\\d=17-10\\d=7$

So, value of d =7

Solving the system of equations, we get value of c= 10 and value of d= 7

Keywords: System of equations

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