Question

4x + 5y = -6 and 2x - 10/3y = -4

Answer 1

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Answer 2

Multiply eq(2) by 2

and

subtract Eq(1) and (2)

Answer 3

Well multiply 2nd equation by 2 and subtract both the equations,
you will get equation containing only y.

then solve for y .when you get y put its value in any of the equations to get x

:)

Answer 4

Sorry, must be solved with the Substitution method. :) Multiplying by 2, then subtracting them, that is the addition method, correct?

Answer 5

well i would call that elemination method

Answer 6

That is elimination @TsunamiGirl

Answer 7

Ah, sorry. Our teacher only showed us the addition & substitution methods. Now that I think about it, we did add . . sorry. I just can't wrap my head around this problem. Any hints on the substitution method?