Question

please do it is very urgent​

Answer 1

Answer:

Changes to subtraction.

Explaination

• An equation usually consists of terms and variables.

• The variables carries unknown value , which is generally intended to find.

• In an equation we substitute the known values and perform few addition and subtraction to find out the value of unknown.

• Solving an equation has. a bas on undoing an operation.

• An operation can be undone by performing an opposite operation like performing subtraction over addition to find out unknown.

• The most important and first step to solve an equation is correctly framing it.