2 years ago

Given the system of linear x+4x=11 -5+y=2x

Mathematics

1 answer:

viva [34]2 years ago

3 0

Answer:

Step-by-step explanation:

$(1)\qquad x+4x=11\\(2)\qquad -5+y=2x\\\\(1)\\5x=11\qquad\text{divide both sides by 5}\\\boxed{x=2.2}\\\\\text{Put the value of x to (2):}\\-5+y=2(2.2)\\-5+y=4.4\qquad\text{add 5 to both sides}\\\boxed{y=9.4}$

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