Answer:
A. -9n + 20
Step-by-step explanation:
First, distribute -5 to all terms within the parenthesis:
-5(2n - 4) + n
(-5 * 2n) + (-5 * -4) + n
-10n + 20 + n
Simplify. Combine like terms:
(-10n + n) + 20
(-9n) + 20
A. -9n + 20 is your answer.
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Isolate the variable by dividing each side by factors that don't contain the variable.
x
=
7
Answer:
x = 1 ; x = 8
Step-by-step explanation:
6x² - 5x + 10 = 5x² + 4x + 2
x² - 9x + 8 = 0
x² - 8x - x + 8 = 0
x(x - 8) - (x -8) = 0
(x - 8)(x - 1) = 0
x = 1, x = 8
Answer:
Step-by-step explanation:
5c+1+3c=61
8c+1=61
8c=62
c=7.75
