Respuesta :
Answer:
y = 4
Step-by-step explanation:
Given
3x + 7y = 37 ← substitute x = 3 into the equation
3(3) + 7y = 37, that is
9 + 7y = 37 ( subtract 9 from both sides )
7y = 28 ( divide both sides by 7 )
y = 4
Answer:
4
step-by-step-explanation:
3x + 7y= 37
x = 3
so
3×3 + 7y =37
9 + 7y = 37
37 - 9 = 28
28 ÷ 7 = 4
y = 4
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