It is a 5% discount 400 x .05 = 20
400 - 20 = 380
-16 + 5n = -7(-6 + 8n) + 3 Given
-16 + 5n = 42 - 56n + 3 Distribute
-16 + 5n = 45 - 56n Collect like terms
61n = 61 Add 56n to the left side and add 16 to the right side
n = 1 Divide 61 from both sides
The answer is n = 1. Remember that when you have a number beside two or more numbers in parentheses, you have to distribute, or multiply the number outside the parentheses by each number inside the parentheses.
Hope this helps!
Step-by-step explanation:
<h3><u>QU</u><u>ESTION</u><u>:</u><u>-</u></h3>
<u>Fin</u>d 26th term of the A.P --15,-35,-55,-75...
<h3><u>Solu</u><u>tion</u><u>:</u><u>-</u></h3>
First term=a=-15
Common Difference=d=-20
We know that






1) add 8x on both sides
3y=12+8x
2)divide by 3 to solve for y
y=4+8/3x
y=8/3x+4
8/3x is the slope, 4 is the y-intercept
-1/2 x 1/2 = -1x1 / 2x2 = -1/4
The answer is -1/4