(1) If there is a denominator, go to the denominator first.

(2) If there are brackets, remove them.

(3) If it is necessary to move items, move items.

(4) merging similar projects

5] coefficient to 1 to get an unknown value.

⑹

Write "solution" at the beginning

2. For example:

4x+2(79-x)= 192

Solution:

4x+ 158-2x= 192

4x-2x+ 158= 192

2x+ 158= 192

2x= 192- 158

2x=34

x= 17

Extended data:

1, the method of solving the equation:

(1) estimation method: an introductory method when you are just learning to solve equations. Estimate the solution of the equation directly, and then substitute it into the original equation for verification.

(2) Apply the properties of the equation to solve the equation.

(3) Merging similar terms: transforming the equation into a monomial.

(4) Move the term: move the term containing the unknown to the left and the constant term to the right.

2. Scope of application of the equation:

(1) Change the unknown according to the problem.

(2) Around the unknown, find the equivalence relation in the problem.

(3) Using equivalence relation equation.

(4) Solve the equation and answer.

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solve an equation