Blehblehbloug Blehblehbloug

21-03-2018
Mathematics

contestada

Help! Solve the system of linear equations by substitution. Check your solution.
-7x-2y=-13
x-2y=11

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mkryukova19 mkryukova19

21-03-2018

-2y=11-x
-7x+11-x=-13
-8x=-24
x=3
-2y=11-3
-2y=8
y=-4

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