Answer:
wha-
Step-by-step explanation:
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42 - 12x = 6
Solve for 6
12x = 36
x = 3
Answer:

Step-by-step explanation:
Solve for the value of
:

-Multiply both sides by 


So, therefore, value of
is
.
Answer:
Step-by-step explanation:the answer is option A as 1 • 3 =3 and 3+4=7