Balanced Equations and number patterns

Front

What is a balanced equation?

Back

A balanced equation has the same number of each type of atom on both sides, meaning the mass and charge are conserved.

Front

What does it mean to solve for x in an equation?

Back

To solve for x means to find the value of x that makes the equation true.

Front

What is the first step in solving the equation 5x - 2 = 3x + 6?

Back

The first step is to get all terms with x on one side and constant terms on the other side.

Front

If y + 5 = 12, what is y?

Back

y = 7.

Front

What is the solution to the equation x - 8 = 1?

Back

x = 9.

Front

What is the purpose of using parentheses in equations?

Back

Parentheses indicate which operations to perform first in an equation.

Front

What does the term 'variable' mean in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown number.

Front

What is the equation for finding the sum of two numbers?

Back

The equation is a + b = c, where a and b are the numbers and c is their sum.

Front

How do you check if an equation is balanced?

Back

You can check by substituting the values back into the equation to see if both sides are equal.

Front

What is the value of x in the equation 6b = 30?

Back

x = 5.