If you have the equations 2x + 3y = 18 and y = 2x + 12 and use the substitution method to solve, what would be the value of x? A
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1 answer:
Answer:
x= -2.25
Step-by-step explanation:
2x+3(2x+12)=18
2x+6x+36=18
8x+36=18
8x= -18
x= -9/4= -2.25
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