2x+3x+4x=180
9x=180
x=20

how did they get 20, am i missing something

➷ We'll work from here:

9x = 180

To isolate x, you would need to divide both sides by 9

x = 180/9

Solve:

x = 20

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled