Sagot :
Answer:
C. 2
Step-by-step explanation:
2x + 3y = 7; y = 1
2x + 3(1) = 7
2x + 3 = 7
2x + 3 - 3 = 7 - 3 (Subtraction Property of Equality)
2x = 4
x = 2 (Division Property of Equality)
So, x is equal to 2.
Answer:
C.
Step-by-step explanation:
2x + 3y = 7
2x + 3(1) =7
2x + 3 = 7
7 - 3= 2x
4 = 2x
4 ÷ 2 = 2 =x
x= 2