Question

# A= 5x-3y +2z, B= 4x-2y+3z, C= 6x-4y -4z, Find A-B+C

Hint:

### Put values of A, B, and C in expression A-B+C to get the answer.

## The correct answer is: Hence, the value of A-B+C is 7x - 5y - 5z.

### Answer:

- Step by step explanation:

○ Given:

A= 5x-3y +2z,

B= 4x-2y+3z,

C= 6x-4y -4z,

Find A-B+C

○ Step 1:

○ Put values of A, B and C in (A-B+C)

We get,

A-B+C

(5x-3y +2z) - (4x-2y+3z) + (6x-4y -4z)

○ Step 2:

○ Group like terms

(5x-4x +6x) - (3y-2y+4y) + (2z-3z -4z)

7x - 5y - 5z

- Final Answer:

Hence, the value of A-B+C is 7x - 5y - 5z.

○ Step 1:

○ Put values of A, B and C in (A-B+C)

We get,

○ Step 2:

○ Group like terms

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We can find the tabular values for any points of x and then plot them on the graph. But we usually choose values for which calculating y is easier. This makes plotting the graph simpler. We can also find the values by putting different values of y in the equation to get different values for x. Either way, we need points satisfying the equation to plot its graph