Solving equations with method of substitution in junior one mathematics. - Training Enrollment Network

Solving equations with method of substitution in junior one mathematics.

Change ① to 3x= 16-4y.

Substitute X= 16/3-4/3y into equation ②.

The solution of 5×( 16/3-4/3y)=33 gives y=- 1/2.

X= 18/3 in formula ①.

Other equations are the same way.

Related articles

What should I do if I can't do math problems in high school?

Which country's baby is most afraid of math?

Mathematical addition and subtraction problem

The political theory of the postgraduate entrance examination subjects is 10 1. What does the code mean in English?

Teaching and research work plan of the second mathematics group

20 10 Donghua middle school and other junior high schools

Mathematics problems of liberal arts in senior three

Can Xiangxiang hukou go up in Xiangtan?

What do you mean, manfenichthyosaur? What constellation?

What does the primary school mathematics contract mean?