Answer:
2)

collect like terms

move the constant to the right hand side and change its sign.

Subtract the numbers

Divide both sides of the equation by 8

Answer: x=7
Step-by-step explanation:
3x=21
21 divided by 3 is 7
so x equals 7
Answer:
angle 4 and angle 8
angle 3 and angle 5
Step-by-step explanation: the pair of angles on one side of the transversal and inside the two lines are called the consecutive interior angles
so, angle 4 and angle 8
and angle 3 and angle 5
are consecutive interior angles.
Answer:
45.75
Step-by-step explanation:
183/4=45.75.