Solve the system of equations using the substitution method. {y=−3x+7 x=−2y−16

asked Sep 3, 2019 142k views

4 votes

by EvgK

8.2k points

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4 votes

Answer:

x=6 and y=-11

Explanation:

i took the test and this was correct

Kgthegreat answered Sep 5, 2019

8.1k points

3 votes

y= -3x +7

x= -2 *(-3x+7) -16
x= -2* (-3x) -2*7-16
x= 6x-14-16
x=6x-30
6x-x=30
5x=30
x=30:5
x=6

y=-3*6+7
y=-18+7
y= -11

Dulacp answered Sep 7, 2019

8.3k points

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