Because "y" is + in <span>2x+y=7, let's subtract 2x from both sides and end up with an expression for y: y = 7 - 2x. Substituting this into 5x - 3y = 23,
5x - 3(7 - 2x) = 23. Multiply out -3(7 - 2x):
5x - 21 + 6x = 23. Combining 5x and 6x, 11x - 21 = 23, or 11x = 44.
Thus, x = 4. Since y = 7 - 2x, subst. x = 4 results in the value of y:
y = 7 - 2(4) = 7 - 8 = -1.
The solution is (4,-1).</span>
8% of $650 is 52$.
Hope this is what you wanted and hope you have a great day
Answer:
1091 feet
Step-by-step explanation:
172/3 + 1037 = ?
54 + 1037 = ?
1091 = ?
504 because every 9 feet is 3 yards and you would multiply the three yards ( 9 feet) by your 56 balloons