4 + 12 +12 = 28cm
so in conclusion it is 28
The 3 would be the y, so it would be 4x-3y
Answer:
15;9;-8
Step-by-step explanation:
1. 5/3x-3=2/3x+12
x=15 once you combine like terms
2. 5x+35-3x+12=7x+2
2x+47=7x+2
5x=45
x=9
3. 12x+20-3=9x-7
12x+17=9x-7
3x=-24
x=-8
Answer:
ASA i think
Step-by-step explanation:
because if you start anywhere on the triangle you start at an angle