Which expression is equivalent to (3x)? А 3х3 в 6х3 C9x3 D27х3
2 answers:
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Answer:
x 4
Step-by-step explanation:
4x^2 - 64 0 ; move 64 over
4x^2 64 ; divide by 4
x^2 16 ; take square root of both sides
x 4
So we'll assume the number is x.
So,
15+= 9.
Now, we solve for x:
= 9-15
= -6
x = -6*2
x = -12
Check work:
15+= 9
15+(-6) = 9
15-6 = 9
9 = 9