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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

If a,b,and r are real numbers (and if a and b are not both equal to 0) then ax+by=r is called a linear equation in two variables. (The “two varaibles”are the x and they.)The numbers a and b are called the coefficientsof the equation ax+by=r.The number r is called the constant of the equation ax+by=r.

Examples.10x−3y=5and−2x−4y= 7 are linear equations in two variables