1 year ago

Solve the system with substitution 72 +10y = 36 y = 2x + 9

Mathematics

1 answer:

mr_godi [17]1 year ago

8 0

Answer:

x= -63 y= -117

Step-by-step explanation:

72+10(2x+9)=36

72+20x+90=36

162+20x=36

20x=-126

×= -63

y= 2(-63)+9

y=-126+9

y= -117

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