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18-02-2021
Mathematics

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please help my grade in math is an F

please help my grade in math is an F class=

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Аноним Аноним

18-02-2021

Answer:

12

Step-by-step explanation:

So our equation is:

(7x+5)+(5x+3)+(12x-20) = 276

First remove parenthesis:

7x+5+5x+3+12x-20=276

Combine like terms:

24x-12 = 276

Add 12 on both sides:

24x = 288

Divide:

288/24 = 12

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