Mathematics, 21.10.2020 16:01, iiomqjessica

Which is the first error that Tomas made? Tomas substituted the 3 for x when he should have substituted 6 for x. Tomas added 6 to both sides of the equation instead of subtracting 6. Tomas should have written the equation as . Tomas substituted 3 for x when he should have substituted 3 for y.

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Which is the first error that Tomas made? Tomas substituted the 3 for x when he should have substitu...