8X - 6X = -18
2X = -18
X = -9.
Hope this helps!
5(x + 1)....distribute the 5 thru the parenthesis...that means multiply the 5 by everything in the parenthesis.
5(x + 1) = 5 * x + 5 * 1 = 5x + 5
An acute angle is infact 90 degrees, therefore your answer is correct.
Answer:
9
Step-by-step explanation:
9 times 4 is 36 and 9 times 1 is 9
Hope this helps pls mark me as brainliest
