Answer:
-7x
Step-by-step explanation:
= -4x-3x
<u><em>Taking x common</em></u>
= x(-4-3)
= x(-7)
= -7x
The difference is 950 - (-346). The double negative turns into a positive, so it's basically 950 + 346 = 1296 degrees.
(3 x 20) + 9 = 69
4 x 100) + 20 = 420
