Addition
x + 6 = 25
What is 19
x - 8 = 14
What is 22
9x = 27
What is 3
y/6 = 5
What is 30
Also known as opposite. We use this to isolate a variable and get it alone on one side of our equation.
What is inverse.
a + 13 = 40
What is 27
d - 7 = 9
What is 16
7x = 63
What is 9
x/4 = 14
What is 56
The ____________ property of equality states that the two sides of an equation stay equal when the same amount is added to both sides of the equation.
What is addition
n + 32 = 61
What is 29
k -83 =121
What is 204
5e = 400
What is 80
x/12 = 6
What is 72
The ____________ property of equality states that when you subtract the same amount from both sides of an equation, both sides stay equal.
What is subtraction
x + 34 = 100
What is 66
x - 327 = 665
What is 992
11x = 275
What is 25
28 = a/13
What is 364
The ____________ property of equality states that when you multiply the same amount from both sides of an equation, both sides stay equal.
What is multiplication?
278 = c + 158
What is 120
a -163 = 392
What is 555
21y = 756
What is 36
80 = x/15
What is 1200
The ________________ property of equality states that when you divide both sides of an equation by the same non-zero amount, the two sides of the equation stay equal.
What is division