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almond37 [142]
3 years ago
5

Solve the system of linear equations x + y = 4 and 2x + 3y = 0

Mathematics
1 answer:
forsale [732]3 years ago
8 0

solve this answer by using substitution. set the first equation to x=-y+4 then substitute -y+4 for x in the second equation.

2(-y+4) + 3y=0

-2y+8 + 3y=0

y+8=0

y=-8

now use -8 and solve for x

x+(-8)=4

x=12

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