x + y = 5 ... (1)
3x + y = 18 ... (2)
x + y = 5
3x + y = 18
__________-
-2x = -13
x = 13/2
x = 6,5
6,5 + y = 5
y = 5 - 6,5
y = -1,5
Jawaban:
Hp : {x , y} = {¹³/²,-³/²}
Penjelasan dengan langkah-langkah:
x + y= 5
-
——————— -
x = -13 : -2
x = ¹³/²
Masukan - ¹³/² ke dalam x
(-¹³/²) + y = 5
y = 5 - (-¹³/²)
y = - ³/²
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x + y = 5 ... (1)
3x + y = 18 ... (2)
x + y = 5
3x + y = 18
__________-
-2x = -13
x = 13/2
x = 6,5
x + y = 5
6,5 + y = 5
y = 5 - 6,5
y = -1,5
Jawaban:
Hp : {x , y} = {¹³/²,-³/²}
Penjelasan dengan langkah-langkah:
x + y= 5
3x + y = 18
-
x + y = 5
3x + y = 18
——————— -
-2x = -13
x = -13 : -2
x = ¹³/²
Masukan - ¹³/² ke dalam x
(-¹³/²) + y = 5
(-¹³/²) + y = 5
y = 5 - (-¹³/²)
y = - ³/²