Answer:
80 is what I got
Step-by-step explanation:
7cm²+5cm²=10cm²
14cm+25cm=100cm
39=100
$300×13/2=150
150×13=$1,950
ans is x=3
x= -1
3x-1=2x2 (calculate the product)
3x-1=4x (move terms)
3 x - 4 x =1 (collect the terms)
- x = 1 (change the signs)
Solution is x = -1
