Notes Over 7.2 The Substitution Method Use the substitution method to solve the linear system. Solve for x Substitute in for x.

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Presentation transcript:

Notes Over 7.2 The Substitution Method Use the substitution method to solve the linear system. Solve for x Substitute in for x

Notes Over 7.2 The Substitution Method Use the substitution method to solve the linear system. Substitute in for x Solve for x

Notes Over 7.2 The Substitution Method Use the substitution method to solve the linear system. Substitute in for x Solve for x

Notes Over 7.2 Writing and Using a Linear Equation 4. An investor bought 200 shares of stock, stock A at $50 per share and stock B at $75 per share. If $13,750 worth of stock was purchased, how many shares of each kind did the investor buy? Solve for a Substitute in for a

Notes Over 7.2 Writing and Using a Linear Equation 4. An investor bought 200 shares of stock, stock A at $50 per share and stock B at $75 per share. If $13,750 worth of stock was purchased, how many shares of each kind did the investor buy?

Notes Over 7.2 Writing and Using a Linear Equation 5. An investor bought 225 shares of stock, stock A at $50 per share and stock B at $75 per share. If $16,250 worth of stock was purchased, how many shares of each kind did the investor buy? Solve for a Substitute in for a

Notes Over 7.2 Writing and Using a Linear Equation 5. An investor bought 225 shares of stock, stock A at $50 per share and stock B at $75 per share. If $16,250 worth of stock was purchased, how many shares of each kind did the investor buy?

Notes Over 7.2