briayoung2347
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Note: Enter your answer and show all the steps that you use to solve this problem.
*btw the note is the same thing for question 6*
1. 7x=42

6.simplify the expression 8to the 2power +9(12÷3×2)-7.​

Respuesta :

Answer:

1) x = 6

2) 129

Step-by-step explanation:

For equation 1:

[tex]7x=42\\\\\frac{7x=42}{7}\\\\ \boxed{x=6}[/tex]

Expression 2:

Apply PEMDAS Rule.

[tex]8^2+9((12/3)*2)-7\\\\8^2+9(4*2)-7\\\\8^2+9(8)-7\\\\64+9(8)-7\\\\64+72-7\\\\136-7\\\\\boxed{129}[/tex]

Hope this helps.

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