Can someone help me with this

-6 + x = -7

+6        +6        add 6 to both sides, 6's cancel out on the left.

x = -1, is the answer.

Hope this helps! Let me know if you have any other questions related to this problem. :)

x= -1

Step-by-step explanation:

-6+x = -7

x = -7+6

x= -1

one of each metals

step-by-step explanation:

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb