And equation and solve a number increased by four and then doubled is the same as 28 decreased by three times the number find the number

Given:

A number increased by four and then doubled is the same as 28 decreased by three times the number.

To find:

The unknown number.

Solution:

Let the unknown number be x.

The number increased by four = x+4

And then doubled = 2(x + 4)

Three times the number = 3x

28 decreased by three times the number = 28 - 3x

Now,

Isolate variable terms.

Divide both sides by 5.

Therefore, the value of unknown number is 4.

13

step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

since it took 13times to completely subtract it hence its square root is 13

answer: 193

explanation:

200-7 = 193