y + 2 = 7
y + 2 = 7
y = 7 - 2
y = 5
4x + 5 = 13
4x + 5 = 13
4x = 13 - 5
4x = 8
x = 8/4
x = 2
2x + 1 = 11
2x + 1 = 11
2x = 11 - 1
2x = 10
x = 5
3g + 2g + 1 = 21
3g + 2g + 1 = 21
5g + 1 = 21
5g = 21 - 1
5g = 20
g = 20/5
g = 4
What is the math term for the "opposite" operation?
Inverse operation
m - 6 = 10
m - 6 = 10
m = 10 + 6
m = 16
2x + 3 = 15
2x + 3 = 15
2x = 15 - 3
2x = 12
x = 6
3x + 2 = 14
3x + 2 = 14
3x = 14 - 2
3x = 12
x = 12/3
x = 4
4a + 2a + 3 = 15
4a + 2a + 3 = 15
6a + 3 = 15
6a = 15 - 3
6a = 12
a = 12/6
a = 2
Use distributive property to simplify the following expression:
-(4x + 2)
-4x - 2
9 + n = 13
9 + n = 13
n = 13 - 9
n = 4
33 = 6x + 3
33 = 6x + 3
33 - 3 = 6x
30 = 6x
30/6 = x
5 = x
4f - 2 = 14
4f - 2 = 14
4f = 14 + 2
4f = 16
f = 16/4
f = 4
10y - 2y + 3 + 2 = 13
10y - 2y + 3 + 2 = 13
8y + 5 = 13
8y = 13 - 5
8y = 8
y = 8/8
y = 1
Use the distributive property to simplify the following expression:
-3(2x - 8)
-6x + 24
20 = 4x
20 = 4x
20/4 = x
5 = x
x/4 - 2 = 3
x/4 - 2 = 3
x/4 = 3 + 2
x/4 = 5
x = 5 (4)
x = 20
x/5 - 1 = 2
x/5 - 1 = 2
x/5 = 2 + 1
x/5 = 3
x = 3 (5)
x = 15
22 = 9s + s + 3 - 1
22 = 9s + s + 3 - 1
22 = 10s + 2
22 - 2 = 10s
20 = 10s
20/10 = s
2 = s
What are complementary angles?
Angles that sum up to equal 90 degrees and form a right angle
v/5 = 3
v/5 = 3
v = 3 (5)
v = 15
x/2 - 1 = 6
x/2 - 1 = 6
x/2 = 6 + 1
x/2 = 7
x = 7 (2)
x = 14
x/2 - 4 = 6
x/2 - 4 = 6
x/2 = 6 + 4
x/2 = 10
x = 10 (2)
x = 20
110 = 10 ( 2 + 3z)
110 = 20 + 30z
110 - 20 = 30z
90 = 30z
90/30 = z
3 = z
What are supplementary angles?
Angles that sum up to equal 180 degrees