Recall the following:
LINEAR EQUATION - Solve for x in the following equation.
Group like terms on each side of the equal sign.
Subtract 18 x from both sides of the equation.
Subtract 57 from both sides of the equation.
Divide both sides of the equation by 12 and simplify.
The answer is
Check the solution by substituting in the original equation for x. If the left side of the equation equals the right side of the equation after the substitution, you have found the correct answer.
You can also check the answer with your calculator.
You can also check the answer by graphing
(left side of original equation minus right side of original equation). The x-intercept is -5.25.
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