CPM Homework Help : GB8I Problem 6-99

Solve each equation for $x$ . Graph your solution on a number line.

Hint (a):

Remember to check your answer to make sure it is correct.

Step 1(a):

One way to start is by multiplying.

$10-4x-2=4x-8$

Step 2(a):

Simplify by adding $4x$ to each side.

$8=8x-8$

Step 3(a):

Simplify again by adding $8$ to both sides.

$16 = 8x$

Step 4(a):

Divide both sides by $8$ .

Answer(a):

$x = 2$

Hint (b):

Remember to distribute the negative.

Answer (b):

$x = 4$