You are throwing a birthday party, and each guest gets two pieces of pizza, you also ordered three pieces of pizza for you.
Example:
3nsub3-4nsub2+9n-12
1. add a negative 5x to both sides
2. add seven to both sides
3. there is your answer.
Answer:
do you have to expand it ?
Hello,
4x+2x-14+2x+3x+3x+10=360
==>14x=364
==>x=26
==>3x+10=26*3+10=88(°)
Answer C
