How do you simplify #7 + (-18)#?

Related questions

• What is PEMDAS?
• How do you use PEMDAS?
• How do you use order of operations to simplify #3(7-2)-8#?
• What are common mistakes students make with PEMDAS?
• How do you evaluate the expression #5[8+(3-1)]-2#?
• How do you simplify the expression #4(30-(3+1)^2)#?
• How do you evaluate the expression #x^4+x# if x=2?
• Is it okay to add first before subtracting in #4-6+3#?
• How do you simplify #(-3)^2+12*5#?
• How do you simplify #(4-2)^3-4*8+21div3#?