Answer:
x = - 7
Step-by-step explanation:
Given that the terms are in AP , then
a₃ - a₂ = a₂ - a₁ , substitute values
3x + 4 - (2x - 1) = 2x - 1 - (2x + 1) ← distribute and simplify both sides
3x + 4 - 2x + 1 = 2x - 1 - 2x - 1
x + 5 = - 2 ( subtract 5 from both sides )
x = - 7
Answer:
22 Hours
Step-by-step explanation:
Divide 8 by 176, 176/8 = 22
Answer:
Five
Step-by-step explanation:
Write the polynomial in decreasing powers of x
-9x⁷ + 8x⁵ + 2x² + 32x - 8
We see that, although the polynomial is seventh degree, it has only five terms.
Answer:
Step-by-step explanation:
-2 = 4r + s
subtract 4r from both sides of the equation
-2 -4r = s