exam Maths Puzzle Numerical Ability

hi, i need exactly step by step solution using elimination and substitution method and check.thank u

3y=7-2x
5y=7y-3

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exam Other Question

can you please help me with this, i am not good at this at all. i have not been getting good grades in my class.

Cliff Swatner is single, 33, and owns a condominium in New Yor Solve for x given BD = 5x +2 and AE = 6x +7. Assume B is the midpoint of AC and D is the midpoint of CE. The triangle is ACE with a parallel line BD drawn at the midpoint of AC and