Y=-x-5 2x+y=5 substitution method
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Standard form means, move the variables to the left-hand-side and leave the constant all by herself on the right-hand-side, usually sorting the variables, so"x" goes first.
now, there's a denominator, we can do away with it, by simply multiplying both sides by the denominator, so let's do so,
now, there's a denominator, we can do away with it, by simply multiplying both sides by the denominator, so let's do so,
