X+10=18. |-10 from both sides
x+10-10=18-10
x=8
Answer:
You cannot divide first because in equations you need to isolate the variable, which means subtracting first. The outcome will be different if you change the order.
8. 1,728 i did 12×18÷2=108×32=345÷2= 1,728
I’m pretty sure you multiply the sides your you find the formulas for the hight and width
