7times the sum of a squared and b minus 4 times the sum of a squared and b

Let's solve this problem step by step.

First. The sum of a squared and b

Second. 7 times the sum of a squared and b

Third. 4 times the sum of a squared and b

Finally. 7 times the sum of a squared and b minus 4 times the sum of a squared and b

And this is:

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point

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