Slide 2:
EX x + 2 = 7 -2 -2 x = 5
Slide 3:
EX x – 8 = 4 +8 +8 x = 12
Slide 4:
EX -5x = 30 -5 -5 x = -6
Slide 5:
EX 3 · · 3 x = 18
Slide 6:
EX 1 9 x = -45
Slide 7:
EX Michael withdrew $50 from his bank account. His balance after the withdrawal was $315.23. Write and solve an equation to find Michael’s previous balance. previous balance – withdrawal = new balance Let x = previous balance x – 50 = 315.23 +50 +50 x = 365.23