If you take a number multiply by 7 then subtract 1. You get the same as if you took the number multiply by 5 then subtract 8. What is the number?

What is sin 7x/4 ? i need on this urgent trig

Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j- 0.12=4+1.1j

Find the product. type your answer in the space provided. use / for a fraction bar (example: 1/2) and ^ for an exponent (example: x^5). do not put spaces in your answer. (x -1 y 5)^2 · (2xy -2)^5