21x+7y=42 and -5x+5y=10 Find the solution to the system of equations
1 answer:
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<h3>Question:-</h3>
- Combine like terms. 5y - 8 - y
- here like terms are 5y,-y
- solving like terms
- 5y-y-8(subtracting 5y-y)
- 4y-8
hence the combination=
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