# Solve For X Practice Problems

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$$2^ = 4 \\ 8^ = 16 \\ \\ 16^ = 256 \\ \left( \frac \right)^ = 512$$ As you might've noticed, an exponential equation is just a special type of equation.

It's an equation that has exponents that are $$\red$$.

Because the expressions must have equivalent values, the scale must be balanced.

Any changes made to one expression must also be made to the other in order to preserve balance.

Solving equations with an unknown variable isn’t as complicated as it first looks. Next, you’ll want to move the variable to one side of the equation and the numbers on the other side.

There are a few principles you’ll want to keep in mind when you solve these problems. That’s our objective–it’s to find out what the variable (usually “x”) represents.They can also use our digital textbook, game applications or PDF worksheets. This algebraic equations math review is designed to refresh your knowledge for entrance exams such as ATI TEAS V, HESI, ACT, or the SAT. The ATI TEAS math section test participants on order of operations, ratios, fractions, metric conversation, etc.We want our final answer to say something like x=5.In order to isolate the variable to one side and the number to the other side, we can use a few “rules.” One rule is the addition principle, which states that we can add or subtract a number from itself to remove it from one side of the equation, but we must do the same thing to the other side of the equation to keep it balanced.The cups and counters model uses cups to represent the variable and counters to represent numbers.Counters can be manipulatives such as color tiles, two-color counters, or objects such as beans.In solving these equations, we use a simple Algebraic technique called "Substitution Method".In this method, we evaluate one of the variable value in terms of the other variable using one of the two equations.The algebra tile model allows you to visualize using zero pairs to solve equations and leads to the idea of using inverse operations to solve equations, which you will learn about in a future lesson.Algebra has a reputation for being difficult, but Math Games makes struggling with it a thing of the past.