Answer:
x = 14
Step-by-step explanation:
Step 1: First, Simplify the fraction.

Step 2: Next, Multiply both sides by 7.
4x = 8 × 7
Step 3: Simplify 8 × 7 to 56.
4x = 56
Step 4: Then, Divide both sides by 4.

Step 5: Lastly, Simplify the fraction and you're done!
x = 14
Shakila paid $130.80 in total.
Explanation: 120*1.09=130.80
2x^2+3. the 2x cancel out and the rest is combining like terms
I believe the equation is y = -3x + 0