The Maths Prof: Solve Simultaneous Equations (by substitution)

The Maths Prof 130,168 lượt xem 7 years ago

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Find two unknowns by the substitution method! It's exactly as it sounds, SUBSTITUTE one of the equations into the other to solve and find the first unknown. Then, SUBSTITUTE this value into the original equation to solve and find the second unknown! Easy! Kind of ;)

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