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Mathematics, 17.01.2020 05:31 simonthang8

When using substitution to solve this system of equations what is the result of the first step?
x = 6y+3
x+2y=5

a) x+2(6x+3)=5
b) x+2(6y+3)=5
c) 6y+3+2y=5
d) 6x+3+2y=5
*to this is a review, i am allowed to gain as if this is to educate me!

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When using substitution to solve this system of equations what is the result of the first step?
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