That will give me: Because a positive 6 added with a negative 6 will give you a 0. This will leave you with: Write that below them. Remember to bring down the equal sign. Divide both side by 7, since that will cancel the coefficient that is sticking to the X.
To solve for Y, plug the X into one of the original equation and solve for y. To do that, we will do the opposite of multiplication, which is division. Am I being a little helpful at all? I also forgot to mention to you that not all cases require you to multiply [both] of the equation to cancel a variable out. To do that, notice that we only need to multiply the top equation by a [negative 5], because the bottom five is already a positive. So, we will then have: So, not every problem requires you to multiply both of the given equations.
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