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Four times a number, x, plus 3 times a number, y, equals 75. Five times x minus 3 times y equals 6. Find the numbers by setting up a system of linear equations and solving the s…

Four times a number, x, plus 3 times a number, y, equals 75. Five times x minus 3 times y equals 6. Find the numbers by setting up a system of linear equations and solving the s…
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3 votes
Four times a number, x, plus 3 times a number, y, equals 75. Five times x minus 3 times y equals 6. Find the numbers by setting up a system of linear equations and solving the system using the elimination method.

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User Gove
by
9.0k points

1 Answer

5 votes
X=9 y=13
4x+3y=75;5x−3y=6
Step: Solve4x+3y=75for x:
4x+3y+−3y=75+−3y(Add -3y to both sides)
answered
User Zeeshan Ayaz
by
8.1k points
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