Chapter 4: Q 331 (page 479)
In the following exercises, solve the following system of equations by graphing
Short Answer
The solution to the linear equations is (3,-1).

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Chapter 4: Q 331 (page 479)
In the following exercises, solve the following system of equations by graphing
The solution to the linear equations is (3,-1).

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Solve the system of equations by substitution
Translate to a system of equations and solve.
Owen is making lemonade from concentrate. The number of quarts of water he needs is 4 times the number of quarts of concentrate. How many quarts of water and how many quarts of concentrate does Owen need to make 100 quarts of lemonade?
Andrea is buying some new shirts and sweaters. She is able to buy shirts and sweaters for
or she is able to buy shirts and sweaters for . How much does a shirt cost? How
much does a sweater cost?
Solve the system by graphing:
Translate to a system of equations and then solve:
The difference of two complementary angles is degrees. Find the measures of the angles.
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