Asked by Anonymous

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this.
18x + 6y = 78
12x + 54y = -48

Answered by drwls
y = 13 - 3x (from the first equation)

Substitute that for y in the second equation, and solve for x.

12x + 54*13 - 162x = -48
150 x = 750

Take it from there.
Answered by deb
48 divided by 2(9+3)=
parent needs answer.... i came up up with answer of 2
son has different answer of 288
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