How can you find the sum [8 +(−4)] + (−8 + 4) using mental math?
1 answer:
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The first step for finding y is to divide both sides of the equation by 9.
9y ÷ 9 = 2x ÷ 9
When dividing 9 by 9 you must remember that any expression divided by itself equals 1.
y = 2x ÷ 9
Now write 2 ÷ 9 as a fraction.
y =
x
This means that the answer to your question is that y =x.
Let me know if you have any further questions.
:)
9y ÷ 9 = 2x ÷ 9
When dividing 9 by 9 you must remember that any expression divided by itself equals 1.
y = 2x ÷ 9
Now write 2 ÷ 9 as a fraction.
y =
This means that the answer to your question is that y =
Let me know if you have any further questions.
:)