Answer:
The value of x = -13
Step-by-step explanation:
Given the expression

Multiply both sides by 2

simplify

Subtract 1 from both sides

Simplify

Divide both sides by 0.2

Simplify

Therefore, the value of x = -13
Answer:
around 76.16
Step-by-step explanation:
30 squared + 70 squared = 5800
square root of 5800 = 76.16
a squared + b squared = c squared
Answer:
y=
Step-by-step explanation:
I used an online graphing calculator and process of elimination...
Simplify:
7x+3=7x-3
Now 7x goes away and you get 3=-3, which cannot be true, so there is no solution