To find: The solution of the given equations by addition or subtraction method.
Answer to Problem 20WE
The solution of the given equations by addition or subtraction methodis
Explanation of Solution
Given information:
The equationis
Calculation:
Consider the equations.
Consider the equations.
Multiply equation(2) by 5 and equation (1) by10 and add.
Substitute
Thus, the solution of equation is
Chapter 9 Solutions
Algebra: Structure And Method, Book 1
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