Answer:
+
= 0
Step-by-step explanation:
Based on 2x - 9y - 12 = 0
-9y = 12 - 2x
9y = -12 + 2x
y = 
Therefore...
5x - 4y + 7 = 0
5x - 4(
) + 7 = 0
5x +
-
+ 7 = 0
+
= 0
Answer:

Step-by-step explanation:
Subtract v from both sides

Simplify

Switch sides

Group like terms

Subtract the numbers: 2 - 42 = -40

Add 40 to both sides

Simplify

Divide both sides by 7

Simplify
➤ 