Distributive property equations what is (1+9n)10=-91

n = -101/90

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

(1+9n) (10) = −91

(1) (10) + (9n) (10) = −91 (Distribute)

10 + 90n = −91

90n + 10 = −91

Step 2: Subtract 10 from both sides.

90n + 10 − 10 = −91 − 10

90n = −101

Step 3: Divide both sides by 90.

90n/90 = −101/90

n = −101/90

(2x + 16) + (x) = 180

step-by-step explanation:

given,

abcd is a quadrilateral inscribed in a circle

angle a is labeled x plus 16, (x + 16)

angle b is labeled x degrees, (x)

angle c is labeled 6x minus 4, (6x – 4)

angle d is labeled 2x plus 16, (2x + 16)

what equation can be used to solve for angle b?

we know that the sum of the opposite angles of a simple quadrilateral inscribed in a circle is 180 degrees.

angle b is opposite angle d

therefore, angle b + angle d = 180

(x) + (2x + 16) = 180 

same as (2x + 16) + (x) = 180