x + 8 = 12
What is 20
x - 10 = 14
What is 24
5x = 130
What is 26
x / 4 = 12
What is 48
567 = y - 345
What is 912
x - 5.4 = 3.75
What is 9.15
4.5x = 67.5
What is 15
85.5 = x / 2.5
What is 213.75
5.75x = 529
What is 92
Press F11 Select menu option View > Enter Fullscreen for full-screen mode