Answer:
B and D
Step-by-step explanation:
A simplifies to a linear equation
C is a cubic
The other 2 are quadratic and can be solve using the formula
X= -8 You need to get x alone
Step-by-step explanation:
the answer is in the image above
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It is B because u need enough for it to do it right
Answer:
x=3 is the number
Step-by-step explanation:
Suppose number be "x".
Equation will be
7x + x = 24
8x = 24
x = 24/8
x = 3