Question

Find the sum of :
3a + 4b + 7c,
-5a + 3b - 6c
and 4a - 2b - 4c.​

Answer 1

here's your answer

plzark me as brainlist

Answer 2

Sum of 3a + 4b + 7c , - 5a + 3b - 6c and 4a - 2b - 4c is 2a + 5b - 3c

Given :

The expressions 3a + 4b + 7c , - 5a + 3b - 6c and 4a - 2b - 4c

To find :

The sum

Solution :

Step 1 of 2 :

Write down the given expressions

The expressions are

3a + 4b + 7c , - 5a + 3b - 6c and 4a - 2b - 4c

Step 2 of 2 :

Find the sum

The required sum

= ( 3a + 4b + 7c ) + ( - 5a + 3b - 6c ) + ( 4a - 2b - 4c)

= ( 3a - 5a + 4a ) + ( 4b + 3b - 2b) + ( 7c - 6c - 4c )

= 2a + 5b - 3c

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

$1.$ Find the result when the following numbers are fed into the machine:(1)123 (2) -72

https://brainly.in/question/27009691

2. Find the Dividend, if Divisor = 9, Quotient = 12 and Remainder = 3.

https://brainly.in/question/24955960