1. 2 + (5 + y) 2. (c + 1) + 9 3. 3.3 + n) + 1.4 4. 7 + (d + 5) 5. 10(7t) 6. 8(4k) 7. 13 • 0 • p 8. 7 • z • 0 9. 2.5 • w • 1 10. 1 • x • 19 11. (t +. 3) + 0 12. 0 +. (g + 4 Plz help I don’t understand

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Anything times 0 = 0 If 0 is added to anything, it does not change the amount. 10*x + 0 = 10x If you are just adding or subtracting, just remove the parenthesis. Example: 5 + (6 +7) = 5 + 6 + 7 = 18 If multiplying, just multiply. Example: 5(2a) = 10a I hope this helps.

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