Question

Add : 3x + 4y and -3x + 4y.​

Answer 1

Answer:

x+8y answer

Step-by-step explanation:

hope it helps you

Answer 2

$\underbrace \text{Answer:}$

$\text{(3x + 4y) + ( - 3x + 4y)}$

$= \text{3x + 4y - 3x + 4y}$

$= { \cancel{3x} - \: \cancel{ 3x }+ 4y + 4y}$

$= \bf \red{8y}$

⛬ The sum of 3x+4y and -3x+4y is 8y.