Question

Find the value of x. 5x 80°

Answer 1

Method: The value of x can be obtained by summing 5x and 80 and then equating to 140

5x + 80 = 140

Step 1: collect like terms

5x = 140 - 80

5x = 60

Step 2: Divide both sides by 5

x= 60/5

x= 12