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Section 2.4: Solving Linear Equations in 1 Variable (Round 1) Worksheet 2.4

Examples of Linear Equations:

$5=-x+3$

$3(-3x-4)=-5(5x-1)$

$3x+2=-x+4$









Solutions to Linear Equations.

Example: Verify that $x=\frac{1}{2}$ is a solution to the linear equation $3x+2=-x+4$









Solving Linear Equations. Method 1: Algebraically.

Example: Solve the linear equation $3x+2=-x+4$ algebraically.









Solving Linear Equations. Method 2: Graphically.

Example: Solve the linear equation $3x+2=-x+4$ graphically.



















Solving Linear Equations. Method 3: Tables.

Example: Solve the linear equation $3x+2=-x+4$ using a table.

$$ \begin{array}{c|c|c} x & y_1=3x+2 & y_2=-x+4\\ \hline -1 & -1 & 5\\ \hline -0.5 & 0.5 & 4.5\\ \hline 0 & 2 & 4 \\ \hline 0.5 & 3.5 & 3.5\\ \hline 1 & 5 & 3 \\ \hline \end{array} $$











Geometry:













A Word Problem. Four times the sum of a number and eleven is equal to three times the difference of the number and five.