Question

If A=x+2y+3z and B=4x-y-7z. Find 2A+2B.​

Answer 1

Given

• A = x+2y+3z
• B = 4x-y-7z

To find

• 2A+2B

Solution

• 2(x+2y+3z) + 2(4x-y-7z)
• 2x+4y+6z+8x-2y-14z
• 10x+2y-8z

∴ If A = x+2y+3z and B = 4x-y-7z then, 2A+2B :-

• 10x+2y-8z