Answer:
1. cx
2. a
3. x
4. (-b -c)
Explanation:
1. Subtract cx - from both sides
2. Subtract a from both sides
3. Factor x
4. Isolate x by dividing both sides of the equation by (-b -c)
a - d / b + c = x
a - bx = cx + d
a = bx + cx + d
a - d = bx + cx
a - d = x ( b + c )
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