Step-by-step explanation:
B.
AC =BC
2x-6=x+8
2x-x=8+6
x=14
5) AC = 2x-6=2(14)-6=28-6= 22
6) BC = x+8= 14+8= 22
7) AB = AC+BC = 22+22= 44
C.
AC =BC
4x+10=7x-5
4x-7x= -5-10
-3x= -15
x= -15/-3 = 5
8) AC = 4x+10=4(5) +10=20+10= 30
9) BC = 7x-5= 7(5) -5=35-5= 30
10) AB = AC+BC = 30+30= 60
First of all, let's simplify the equations by adding and multiplying everything.
-2(y+6)=y+3+2y
Add 2y and y on the right side:
-2(y+6) = 3y+3
Distribute -2y into the parentheses:
-2y - 12 = 3y + 3
Subtract both sides by -2y - 12, so you have one side that equals zero:
5y + 15 = 0
Subtract both sides by 15:
5y = -15
Divide both sides by 5:
y = -3
Answer:
Multiple those
Step-by-step explanation:
Answer:
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Step-by-step explanation: