4. For each equation, find a value for x that makes the equation true. Show your work on the next
page.
a.
x=3 = 12
b.
c.
Ex-3
d.
2x + 3 = 20
4 10
3
- 4x = -24
2(x - 4) = 10
-0.5x + 1.1 = -2.9
e.
f.

a) 36

b) 8.5

c) 5/2

d) 6

e) 9

f) 8

Step-by-step explanation:

a)

Multiply both sides by 3

b)

Subtracting 3 from both sides

c)

Multiply both sides by 3/4

d)

Divide both sides by -4

e)

Divide both sides by 2

f)

Subtracting 1.1 on both sides

4sqrt5

step-by-step explanation:

the base has dimensions of 8 x 4, so the diagonal is 64 + 16 square rooted or 4sqrt5.

at least two

step-by-step explanation: