Some one pls help with 10 and 11 ??

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

How to use order of operation in 20 divide by 4 multiply 5 = 1