Answer:
1. x=17.5
2. x=77
Step-by-step explanation:
1. -x=-3x+35
=2x=35
x=17.5
2. -x/7+8=-3
=-x/7=-11
=-x=-77
x=77
1. x=17.5 or 17 1/2
2.x=77
2x=35
x=35/2
7*-x/7=-11*7
-x=-77
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(3/4) -(1/4)i
Your answer is correct.