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How do you solve a linear equation by multiplying first, substitution, and adding or subtracting? Please show me the work. Use this system to show me: 2x + 2y = 240 x + y = 20
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How do you solve a linear equation by multiplying first, substitution, and adding or subtracting? Please show me the work. Use this system to show me:

2x + 2y = 240
x + y = 20

User Desreen
by
7.4k points

1 Answer

5 votes
See the attached picture for solution:
How do you solve a linear equation by multiplying first, substitution, and adding-example-1
User Dmitry Vyal
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