Question

Substitution
y=7x+3 ​

Answer 1

Answer: x= 1/7 y + -3/7

Explanation:

y=7x+3

Step 1: Flip the equation.

7x+3=y

Step 2: Add -3 to both sides.

7x+3+(−3)=y+(−3)

7x=y−3

Step 3: Divide both sides by 7.