Answer:
Mistake: -3-5=-2, -3-5=-8
Step-by-step explanation:
-3-(7x+5)+9x=-8+3x+10
-3-7x-5+9x=4x+2
-8+2x=4x+2
-8-2=4x-2x
-10=2x
-10/2=x
-5=x
Answer:
Step-by-step explanation:
11 = 14+x+7+x
11=2x+21
2x=11-21=-10
X= -5
Answer:
she bought 12 pencils
Step-by-step explanation:
6(5-3)
6(2)=12
Answer:
2 feet
Step-by-step explanation:
for area of a triangle it's (height times width) divided by 2, and 10 times 2 divided by 2 is 10
