20 + 2x = 6 + 9x
To solve the equation 20 + 2x = 6 + 9x, you need to isolate the variable x
To solve the equation 20 + 2x = 6 + 9x, you need to isolate the variable x. Here are the step-by-step instructions:
1. Start by simplifying both sides of the equation.
20 + 2x = 6 + 9x
We can rearrange the equation to group the terms with x together:
2x – 9x = 6 – 20
Simplifying further:
-7x = -14
2. Divide both sides of the equation by -7 to solve for x:
-7x / -7 = -14 / -7
This simplifies to:
x = 2
Therefore, the solution to the equation is x = 2.
Definition:
An equation is a mathematical statement that shows the equality between two expressions. It consists of two sides separated by an equal sign (=). The goal when solving an equation is to find the value(s) for the variable(s) that make the equation true.
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