Solve the simultaneous equations 7x – 3y = 24 2x + 3y = 3 x=? y =?
2 answers:
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Answer:
add 33 to both sides
Step-by-step explanation:
Given
- x - 33 = 33 ( add 33 to both sides )
- x = 66 ( multiply both sides by - 2 to clear the fraction )
x = - 132
Answer:
There are 1849 tiles on the whole wall.
Step-by-step explanation:
If there are 85 tiles along the two diagonals, we can use the following rule:
So we have 43 tiles in the first diagonal and 85-43 = 42 in the second diagonal.
Now, as we have a square the side will have 43 tiles so the total area will be cover with:
Therefore, there are 1849 tiles on the whole wall.
I hope it helps you!