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Linear equation one variable

Solve for the variable in a linear equation

This skill teaches how to solve for a variable in a linear equation by isolating the variable on one side of the equation. It involves performing the same operations to both sides to cancel out terms or coefficients until the variable stands alone, simplified to its solution.

Learn linear equation one variable

Teaching Transcript

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Solve for the variable 'X' in this linear equation

We need to isolate all the numbers on one side, and all the 'X' terms on the other. If terms are added, we can subtract the same from both sides to cancel out.

So the 5 is removed from the left side, and we now have 32 on the right

We can do the same for variables. Let's subtract 2 'X' from both sides.

Now we have all the variables on the left and all the numbers on the right

When we want to remove a multiplication, we can divide both sides by the same number, so let's divide both sides by 4

X is equal to 8

Skill Practice

Solve for the variable in a linear equation

Test your understanding of linear equation one variable by practicing it! Work through the below exercises to use it in practice.