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17 votes
Solve the system by substitution

2x + 10y = -32

x = -9y

1 Answer

11 votes
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
User Majid Zareei
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