All categories

3 years ago

7(4 + 3x) = 45(x - 3) - 3(2x -12)

Mathematics

1 answer:

Bezzdna [24]3 years ago

4 0

7(4 + 3x) = 45(x - 3) - 3(2x - 12)

Distribute:

28 + 21x = 45x - 135 - 6x + 36

Collect like terms:

28 + 21x = 39x - 99

Rearrange terms to get them all on one side (add 99 to both sides):

28 + 99 + 21x = 39x - 99 + 99

Simplify:

127 + 21x = 39x

Subtract 21x from both sides:

127 + 21x - 21x = 39x - 21x

Simplify:

127 = 18x

Divide by 18 on both sides to isolate the x variable and solve the expression:

127/18 = 18x/18

Simplify:

x = 127/18

You might be interested in

Which of the following describes a translation of f(x) down 3 units?

frez [133]

Answer:

g(x)=x-3

Step-by-step explanation:

8 0

2 years ago

What is the equation to find area of a parallelogram

olchik [2.2K]

A=BH

Area = Base x the Hight

6 0

3 years ago

Hello!

Gnesinka [82]

Answer:

A. 2 < x < 10

Step-by-step explanation:

With two congruent sides the third side is greater against a greater angle.

34 < 36, therefore:

3x - 6 < 24
3x < 30
x < 10

And, the angle should have a positive value:

3x - 6 > 0
3x > 6
x > 2

Combined, we get:

2 < x < 10

8 0

3 years ago

What is the median for the set of data 3.5 1 3 4

yawa3891 [41]

Answer:

3.5

Step-by-step explanation:

Test Scores

1, 1, 2, 3, 3, 4, 4, 5, 5, 5

median(middle #)

(3+4)/2 = 7/2 = 3.5

6 0

3 years ago

Read 2 more answers

3 n-5 An even ineger, what is the next larger consecutive even integer

Sliva [168]

Answer:

B. n-3

Step-by-step explanation:

If x is an even integer, the next consecutive even integer = x + 2

Since (n-5) is even, the next consecutive even integer = (n-5) + 2 = n-3

8 0

2 years ago