Question

What is the solution to the system of equations below?

x+3y=15and 4x+2y=30

Answer 1

$4 times 5 = 20 and 2 times 5 = 10 add thrm and you should get 30$

Answer 2

Value of solution x and y  is 6 and 3

Given that;

Equation 1

x + 3y = 15

Equation 2

4x + 2y = 30

Find:

Value of solution

Computation:

Eq1 × 4

4x + 12y = 60 ..... Eq3

Eq3 - Eq2

10y = 30

y = 3

So,

x + 3y = 15

x + 3(3) = 15

x + 9 = 15

x = 6

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