Answer:
<em>x = 9</em>
Step-by-step explanation:
Vertical angles are congruent, so their measures are equal.
4x + 6 = 7x - 21
Subtract 7x from both sides.
-3x + 6 = -21
Subtract 6 from both sides.
-3x = -27
Divide both sides by -3.
x = 9
I think that a linear equation can have no solution, one solution, or infinitely solutions. It just depends on what is the equation. That's what I think
Answer:
10i
Step-by-step explanation:
it is square root of 100, which is 10, times i, which is square root of -1
PLZ BRAINLIEST
Answer:
H=-2
Step-by-step explanation:
First use distributive property to get 12H+6=30
subtract 6 ob both sides to get -12H=24
Then divide by -12 on both sides
Then that gives you H=-2
