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8.02 Solving systems of equations with the substitution method

Interactive practice questions

We want to solve the following system of equations using the substitution method.

Equation 1 $y=5x+34$y=5x+34
Equation 2 $y=3x+18$y=3x+18
a

First solve for $x$x.

b

Hence, solve for $y$y.

Easy
3min

We want to solve the following system of equations using the substitution method.

Easy
2min

We want to solve the following system of equations using the substitution method.

Equation 1 $y=5x+12$y=5x+12
Equation 2 $4y=28x+72$4y=28x+72
Easy
3min

We want to solve the following system of equations using the substitution method.

Easy
3min
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Outcomes

A2.3.A

Formulate systems of equations, including systems consisting of three linear equations in three variables and systems consisting of two equations, the first linear and the second quadratic

A2.3.B

Solve systems of three linear equations in three variables by using gaussian elimination, technology with matrices, and substitution

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