Answer:
1) C. 8x + 2x = 10x
2) z = 5
3) y = 10
4) x = 1/2
5) x = 17
6) C. 1/4x + 4 = 3
Step-by-step explanation:
1. C. 8x + 2x = 10x
2. 3z - 2 = 13
3z = 13 + 2
3z = 15
z = 5
3. -5y - 10 = -60
-5y = -60 + 10
-5y = -50
y = 10
4. 4x - 5 + 2x = -2
4x + 2x = -2 + 5
6x = 3
x = 1/2
5. x - 8/3 = 3
x - 8 = 9
x = 9 + 8
x = 17
6. C. 1/4x + 4 = 3
(1/4 × -4/1) + 4 = 3
-1 + 4 = 3
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