which of the following equations is equivalent to 7y+6=36, but written only in terms of x?
![which of the following equations is equivalent to 7y636 but written only in terms of x class=](https://us-static.z-dn.net/files/d72/327744125241f251a52daf8af6c99b04.png)
Answer:
14x + 7 = 30
Step-by-step explanation:
Given
7y + 6 = 36 and y = 2x + 1
substitute y = 2x + 1 into 7y + 6 = 36 , that is
7(2x + 1) + 6 = 36 ( subtract 6 from both sides )
7(2x + 1) = 30 ← distribute parenthesis on left side by 7
14x + 7 = 30