7) Consider the sequence of steps to solve the equation:
7x
5(x-3)
2
Step 1 = 10(x - 3) = 7x
Step 2 = 10x - 30 = 7x
Step 3 = 3x - 30 = 0
Step 4 = 3x = 30
Step 5 = x = 10
Identify the property of equality which yields Step 3.
A)
Division Property
B)
Addition Property
Subtraction Property
D)
Multiplication Property

For each proportion find the unknown number x 1/5/8=×/15

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)