Answer:
d. x = 9 / (a + b) a ≠ -b.
Step-by-step explanation:
ax + bx - 1 = 8
x(a + b) - 1 = 8
x(a + b) = 9
x = 9 / (a + b) a ≠ -b.
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Let the two numbers be -x and -x - 1, then
-x(-x - 1) = 1,122
x^2 + x = 1,122
x^2 + x + 1/4 = 1,122 + 1/4
(x + 1/2)^2 = 4,489/4
x + 1/2 = sqrt(4,489/4) = + or -67/2
x = 67/2 - 1/2 = 66/2 = 33
Therefore, the two numbers are -33 and -34
B. Find the exact number of earnings
Answer:
yes, 22
Step-by-step explanation:
50 - 18 = 32 (6 balloons)
32/2 = 16 (balloons)
16 + 6 = 22
