Pre-Algebra Examples

$y = 4 x + 1$

Substitute $- 2$ for $x$ and find the result for $y$ .

$y = 4 (- 2) + 1$

Solve the equation for $y$ .

Tap for more steps...

Multiply $4$ by $- 2$ to get $- 8$ .

$y = - 8 + 1$

Add $- 8$ and $1$ to get $- 7$ .

$y = - 7$

Substitute $- 1$ for $x$ and find the result for $y$ .

$y = 4 (- 1) + 1$

Solve the equation for $y$ .

Tap for more steps...

Multiply $4$ by $- 1$ to get $- 4$ .

$y = - 4 + 1$

Add $- 4$ and $1$ to get $- 3$ .

$y = - 3$

Substitute $0$ for $x$ and find the result for $y$ .

$y = 4 (0) + 1$

Solve the equation for $y$ .

Tap for more steps...

Multiply $4$ by $0$ to get $0$ .

$y = 0 + 1$

Add $0$ and $1$ to get $1$ .

$y = 1$

Substitute $1$ for $x$ and find the result for $y$ .

$y = 4 (1) + 1$

Solve the equation for $y$ .

Tap for more steps...

Multiply $4$ by $1$ to get $4$ .

$y = 4 + 1$

Add $4$ and $1$ to get $5$ .

$y = 5$

Substitute $2$ for $x$ and find the result for $y$ .

$y = 4 (2) + 1$

Solve the equation for $y$ .

Tap for more steps...

Multiply $4$ by $2$ to get $8$ .

$y = 8 + 1$

Add $8$ and $1$ to get $9$ .

$y = 9$

This is a table of possible values to use when graphing the equation.

$\begin{array}{c} x & y \\ - 2 & - 7 \\ - 1 & - 3 \\ 0 & 1 \\ 1 & 5 \\ 2 & 9 \end{array}$

Enter YOUR Problem

Please Rate Your Tutor