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Which equation and variable would be easiest to solve for in order to solve the system by substitution? 3x+2y=16 7x+y=19

Which equation and variable would be easiest to solve for in order to solve the system by substitution? 3x+2y=16 7x+y=19
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2 votes
Which equation and variable would be easiest to solve for in order to solve the system by substitution?

3x+2y=16
7x+y=19

User Jhonnatan
by
8.4k points

1 Answer

7 votes
solving for y in the second equation would be the simplest first step to solving the system by substitution. the new equation would be y = -7x + 19, which you can substitute in the first equation in the place of y.
User Yaqub Ahmad
by
7.9k points
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