y - 5 = 5
y = 10
| -3,750 | = y
y = 3,750
2(3 + y) = 6 + 2y
Distributive Property
a = -1, b = 3
2a + 2b = y
y = 4
Solve E=mc2 , for m
m = E/c2
y - 17 = 2.5
y = 19.5
y = | -7 | - |-9 |
y = -2
-5(-1/5) = 1
Which property, and is it Addition, Subtraction, Multiplication, Division, or Equality?
Inverse Property of Multiplication
a = -1, b = 3
a2 - (-3b) = y
y = 10
Solve pqr2t = pqr2tz , for z.
z = 1
y/3 - 2 = 12
y = 42
| y - 3 | = 6
y = { -3, 9 }
a + b = b + a
Commutative Property of Addition
a = -1, b = 3
-2a2 - 6b = y
y = -20
Solve pqr2t2 = pqr2tn , for n.
n = t.
(7/8)y = 21
y = 24
| y - 3 | - 3 = 27
y = { -27, 33 }
For all real numbers a, b, and c, if a = b and b = c, then a = c.
Transitive Property of Equality
a = -1, b = 3
3a/7 + b/14 = y
y = -3/14
What is an algebraic expression for: Three less than the product of 8 and the square of a number.
8n2 - 3
12y - 0.3 = 4.5
y = 0.4
| y - 13 | - 7 = -5
y = { 11, 15 }
For any real number a,
a = a.
Reflexive Property of Equality
a = -1, b = 3
(ab/3)3 - b2 = y
y = -10
If 6x - 12 = 18, what is the value of 6x + 5?
If 6x - 12 = 18
Add 17 to both sides
Then 6x + 5 = 35