6 + 7 = 13 - 7 = 6 or 13 - 6 = 7
Answer:
54%
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
4³ ÷ 2³
= 64 ÷ 8
= 8
-12y+14-9y=14
-21y=0
y=0, x=7
If the sum of the square of a number plus the triple of the same number equals eighteen, the required numbers are 3 and -6
Let the unknown number be x
The square of the number is expressed as x²
Triple of the unknown number will also be expressed as 3x
Taking the sum of both numbers and equating it to 18 will give;

Factorize the resulting equation:

Hence the required numbers are 3 and -6
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