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chrisraptorofficial
24.09.2019 •
Mathematics
5(a-1)-9(a-2)=-3(2a+1)-2 solve and show work so that i can understand how to do the problem.
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Ответ:
Let's solve it step by step: Find the value of "a"
Solving:
1º Pass: Delete the parentheses, effecting the distributive property, multiply the number of outside the parentheses with the ones inside, not forgetting to make the signal game.
2º Pass: Put the numbers with letter to the left of the equality and the numbers without letter to the right of the equality, remembering that, changes the signal when changing sides.
3º Pass: Perform the following operations
Note: Taking the truth (substitute)
Therefore: a = - 9
Ответ:
c
Step-by-step explanation:
I am a teacher i no what I'm talking about hope it helps and pay attention in class