Mathematics
Gordan438
13

Solve the system of equations by substitution. What is the solution for x?. . 2x + y = 1 . 4x + 2y = −2

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(2) Answers
oakley0123

x= 2 and y= -5 .......................

petranajjar

2 x + y = 1 4 x + 2 y = - 2 --------------------- y = - 2 x + 1  ( 1st equation ) 4 x + 2 ( - 2 x + 1 ) = -2 4 x - 4 x + 2 = - 2 0 x = - 4 x ∈ ∅ ,  y ∈ ∅ The system is inconsistent and there are no solutions.

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