marlenepicaso15
marlenepicaso15 marlenepicaso15
  • 14-10-2020
  • Mathematics
contestada

Solve by substitution

Solve by substitution class=

Respuesta :

diangelysleon diangelysleon
  • 14-10-2020

Answer:

(1,4)

Step-by-step explanation:

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viaali81381
viaali81381 viaali81381
  • 14-10-2020

Answer: x = 1, y = 4

Steps: 3y + 4x = 16,  -2x + y = 2

Isolate y for 3y + 4x = 16:   y = (16 - 4x ÷ 3)

Substitute y into the other equation (-2x + y = 2):   -2x + (16 - 4x ÷ 3) = 2

Simplify: 16 - 10x ÷ 3 = 2

Isolate x for 16 - 10x ÷ 3 = 2:   x = 1

Substitute x = 1 into  y = (16 - 4x ÷ 3):  y = 16 - 4x · 1 ÷ 3

y = 4, x = 1

Plz mark brainliest:)

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