How to do substitution

I need to find what x will be equal to in this equation 5/7 (x-9) = 25

What is 5 1/2 times 1 1/9

What is an algebraic equation for four times a number y is sixteen

What is 3 to the third power plus 6th parentheses 2 plus 3/6 parentheses equal

Marcel is purchasing a board to build a bookcase. he wants to divide the board into 1.75foot sections. he needs 6 sections what size board does Marcel need?

3x - 7 = 17 is it (x = - 8) or (x = 8)

What is the explicit rule for the sequence in simplified form? -1,-4,-7,-10,-13 ... Question 12 options: an=4-5n an=-4-3n an=2-3n an=-6-5n

A radio host plans to play one song from each of the three CDs he has by a single artist. The first song will come from a CD that has 12 songs. The second song will be selected from a CD that includes 14 songs while the third CD has 13 songs.

Place value of 1 in 5,678.321

A cell phone tower cats a 100-foot shadow. At the same time, a 4 foot 6 inch post near the tower casts a shadow of 3 feet 4 inches. Find the height of the tower ... ?