How can I solve h-17=-12

So, to solve for H,

you need to undo the problem.

so since 17 is being subtracted,

you do the opposite if subtract

and add 17 to - 12

so, 17 + (-12) = 5

To conclude H = 5

to check your answer add the 5 to replace the H

5-17=-12

The quickest, simplest, easiest way is to add 17. to each side of the equation.