Answer:
Step-by-step explanation:
Isolate d
.
Divide both sides of the equation by b
Simplify
Answer:
since alternate exterior angles are congruent, you get:
6x + 5 = 7x - 4
subtract 6x from both sides of this equation and add 4 to both sides of this equation to get 5 + 4 = 7x - 6x which results in 9 = x
solve for x to get x = 9 degrees.
Step-by-step explanation:
Answer:
it's D
Step-by-step explanation:
step 1 : add all the numbers
80 +100+20 +40
=240
step 2: divide the total by how many numbers there are
240÷4
=60
Answer:-77
Step-by-step explanation:positive plus a negative equal a negative unless the negative is smaller then the number you subtract it from