How do i solve bh+hr=25 when solving for h

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.

Here is another math questions. i will keep asking different questions. 4^2x=6