80 just add 22+31+18+9=80
Answer:
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Step-by-step explanation:
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Answer:
The definition of a linear equation is an algebraic equation in which each term has an exponent of one and the graphing of the equation results in a straight line
Step-by-step explanation:
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The solution is: x=2, y=-2
Step-by-step explanation:
Given equations are:
6x+2y=8 Eqn 1
12x+y=22 Eqn 2
Multiplying Eqn 1 by 2
Eqn 3
Subtracting Equation 2 from eqn 3
Putting y=-2 in eqn 2
The solution is: x=2, y=-2
Keywords: Linear equations, Elimination Method
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