Answer:
A. x=4
B. x=3
C. a=3
D. x=-15
Step-by-step explanation:
A. Subtract 10 from both sides (2x = 8) and divide by 2x
B. Distribute 3(x-1) (3x-3), add three to both sides, (3x = 9), and divide by 3x
C. Add 12 to both sides (5a = 35), and divide by 5a
D. Divide -75 by 5x
