Question

Solve the following equations :
1) 20 = 6x + 2x
2)15 + x = 5x + 3​

Answer 1

Answer:

(1) x2 + 5x – 2 = 0

Only one variable x.

Maximum index = 2

So, it is a quadratic equation.

(2) y2 = 5y – 10

Only one variable y.

Maximum index = 2

So, it is a quadratic equation.

Explanation:

Answer 2

Explanation:

1) 20 = 8x

20/8 = x

5/2 = x

2) 15-3 = 5x-x

12 = 4x

12/4 = x

3 = x

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