Algebra Terms
What are the 4 mathematical operations?
What are addition, subtraction, division, and multiplication?
five more than a number is 22
n+ 5 = 22
To isolate the variable and maintain equality for the equation y + 3 = 7, you must:
Subtract 3
Seven less than a number is 31
n - 7 = 31
To isolate the variable and maintain equality for the equation y/3 = 21, you must:
Multiply by 3
Six times a number is 54
6n=54
This is what we use to solve algebra equations in order to get the variable all by itself. Example: if our equation is t - 4 = 12 how do you know what to do to get t by itself?
What are opposite/inverse operations?
To isolate the variable and maintain equality for the equation 5h = 30, you must:
A number divided by 8 is 9
n / 8 = 9
Addition and multiplication have these properties where digits have the same answer regardless of the order of calculation
Commutative/reciprocial properties
You need to use these properties of Equality to solve this equation. n/2 + 9 = 29
Multiply by 2 and subtract 9
Nine more than three times a number is 24
3n + 9 = 24