Step-by-step explanation:
1) 
We know that, 

2) 
Again using above property,

3) 
We know that,

So,

4) 
Hence, this is the required solution.
Answer:
x=12
Step-by-step explanation:
4x-10=3x+2
Subtract 3x on both sides:
x-10=2
Add 10 on both sides:
x=12
Hope this helps!
P = 2a + 3b + 4c
4c = P - 2a - 3b
c = (P - 2a - 3b)/4
Answer:
<h2>138°</h2><h2 />
Step-by-step explanation:
∡5 = 42°
find: ∡ 14
solution:
since ∡5 = ∡13 = 42°
∡14 = 180 - ∡13
= 180 - 42
= 138°
Answer:
y=-5x-3
Step-by-step explanation:
Slope: -5/1 =-5
Y2-Y1/X2-X1=2-7/1-2=-5/1
Y-intercept: -3