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Solve the system by substitution

2x + 10y = -32

x = -9y


Sagot :

Answer:

y=4

Step-by-step explanation:

2(-9y)+10y=-32

-18y+10y=-32

-8y/-8 = -32/-8

y=4

Move the constant to the left - hand side and change its sign
2x+10y+32=0
Divided both sides of the equation by 2
X+5y+16=0
Solution
x+5y+16=0