Answer:
1. b
2. a
3. d
4. c
Step-by-step explanation:
Answer:
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Step-by-step explanation:
Answer:The formula for a can be calculated by the following steps;
Step-by-step explanation:
-3a-a=4b-6b
-4a=-2b
cancelling the negative sign;
4a=2b
a=2b/4
a=b/2