Answer

Verified

373.5k+ views

**Hint:**In the given problem we need to solve this for ‘h’. We can solve this using the transposition method. The common transposition method is to do the same thing (mathematically) to both sides of the equation, with the aim of bringing like terms together and isolating the variable (or the unknown quantity). That is we group the ‘h’ terms one side and constants on the other side of the equation.

**Complete step-by-step solution:**

Given, \[7h + 2h - 3 = 15\].

Adding the like terms in the left hand side of the equation,

\[9h - 3 = 15\]

We transpose ‘3’ which is present in the left hand side of the equation to the right hand side of the equation by adding ‘3’ on the right hand side of the equation.

\[9h = 15 + 3\]

\[9h = 18\]

Divide the whole equation by 9,

\[h = \dfrac{{18}}{9}\]

\[ \Rightarrow h = 2\]

This is the required answer.

**Note:**We can check whether the obtained solution is correct or wrong. All we need to do is substituting the value of ‘h’ in the given problem.

\[7(2) + 2(2) - 3 = 15\]

\[14 + 4 - 3 = 15\]

\[18 - 3 = 15\]

\[ \Rightarrow 15 = 15\]

Hence the obtained answer is correct.

We know that the product of two negative numbers is a positive number. Product of a negative number and a positive number gives negative number (vice versa)

Recently Updated Pages

How do you find slope point slope slope intercept standard class 12 maths CBSE

How do you find B1 We know that B2B+2I3 class 12 maths CBSE

How do you integrate int dfracxsqrt x2 + 9 dx class 12 maths CBSE

How do you integrate int left dfracx2 1x + 1 right class 12 maths CBSE

How do you find the critical points of yx2sin x on class 12 maths CBSE

How do you find the general solution to dfracdydx class 12 maths CBSE

Trending doubts

Give 10 examples for herbs , shrubs , climbers , creepers

Difference Between Plant Cell and Animal Cell

Write a letter to the principal requesting him to grant class 10 english CBSE

Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE

Fill the blanks with the suitable prepositions 1 The class 9 english CBSE

Name 10 Living and Non living things class 9 biology CBSE

Change the following sentences into negative and interrogative class 10 english CBSE

List some examples of Rabi and Kharif crops class 8 biology CBSE

Write the 6 fundamental rights of India and explain in detail