4x + 2 = 62
4x = 62 - 2
4x = 60
x = 15
12y = 144
y = 12
A is the answer.
Y = 1
This the answer just trust
Answer:
option c is the correct.
Step-by-step explanation:

by using the laws of exponent
a^m×a^n=a^m+n
12x^4+2/3x²

4x^4-3
4x³
Answer:
the awnser is c
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Step-by-step explanation:
Answer:
-50
Step-by-step explanation:
-71 + 21
-50
The 21 is positive so we subtract it off like when we do 1 - 1. The second 1 is negative to the first 1 who is positive.
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