If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to x from the first equation is substituted into the second equation.
-x + 5y = 1
2x + 4y = -4 (1 point)

2(5y - 1) + 4y = -4

2(-5y + 1) + 4y = -4

2x + 4(-5y + 1) = -4

2x + 4(5y - 1) = -4

Question

If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to x from the first equation is substituted into the second equation.
-x + 5y = 1
2x + 4y = -4 (1 point)

		
2(5y - 1) + 4y = -4
		
2(-5y + 1) + 4y = -4
		
2x + 4(-5y + 1) = -4
		
2x + 4(5y - 1) = -4

axel.caballero · Answer

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nurali · Answer

-x + 5y = 1----(1)
2x + 4y = -4---(2)

In Equation (1)
-x + 5y = 1
x=5y-1

put 'x' in equation (2)
2x + 4y = -4
2(5y-1)+4y=-4