3(x - 1) - 8 = 4(1+x) + 5

Mathematics

2 answers:

valina [46]3 years ago

7 0

Answer:

x= 20

Step-by-step explanation:

Step 1- Distribute into the parenthesis.

3x-1(3)-8= 1(4)+4x+5

Step 2- Multiply

3x-3-8= 4+4x+5

Step 3- Add.

3x-3-8= 4x+9

Step 4- Subtract 3x to both sides to move the variable to one side.

3x-11= 4x+9

-3x -3x

Step 5- Subtract 9 to both sides.

-11= 1x+9

-9 -9

-20= x

Exchange the signs.

20= x

Maurinko [17]3 years ago

3 0

Answer:

x = -20

Step-by-step explanation:

3(x - 1) - 8 = 4(1+x) + 5

3x - 3 -8 = 4 + 4x + 5

3x - 11 = 9 + 4x

-x = 20

x = -20

You might be interested in

Can someone help me please

egoroff_w [7]

Answer:

its just a black screen

Step-by-step explanation:

6 0

3 years ago

Clarence measures the diameter of each tennis ball and a bag with a standard ruler. Unfortunately he uses the ruler and correctl

ollegr [7]

Refer to the figure below.

Assume that there are n correct measurements
$x_{i} , \, i=1,2, \, ... \, n$
Because each measurement has an error of 0.2 in, the actual measurements are
$x_{i} + 2$

From the figure, the analysis indicates that the correct mean is
μ = 3 in = 3*2.54 cm = 7.62 cm
The correct standard deviation is
2.934 in = 2.934*2.54 cm = 7.45 cm

Answer:
μ = 7.62 cm
σ = 7.45 cm