Respuesta :
Answer:
x = 27
Step-by-step explanation:
Given
3x - 4y = 65 ← substitute y = 4
3x - 4(4) = 65, that is
3x - 16 = 65 ( add 16 to both sides )
3x = 81 ( divide both sides by 3 )
x = 27
Answer:
x = 27
Step-by-step explanation:
Given
3x - 4y = 65 ← substitute y = 4
3x - 4(4) = 65, that is
3x - 16 = 65 ( add 16 to both sides )
3x = 81 ( divide both sides by 3 )
x = 27