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One-Variable Equations

Solving Multi-Step Equations

a
We can solve the equation by combining like terms and then isolating
Since the quotient of isn't an integer we should leave the solution as a fraction. However, since  and  share  as a common factor we can simplify the fraction.
b
We start by combining like terms. On the left-hand side we have two terms containing The equation can now be solved with inverse operations.
Since and share no common factors, the fraction is as simplified as it can be.
c
We can solve the equation by combining like terms and then use inverse operations.
d
To solve the equation, we need to isolate Notice that there are two terms with We will need to move them to the same side.