Hi there!

Work out the parenthesis.

Combine like terms.

Subtract 9 from both sides.

Subtract 4x from both sides

Divide both sides by -9
2.25 is the answer got it now
Answer:
35z at the power of 6 times d at the power of 11
Step-by-step explanation:
add the z's power together then the d's power
Just divide by 12 because they're are 12 inches in a foot. 240 ÷ 12 = 20