Answer:
×=10.5
Step-by-step explanation:
4x=42
×=42÷4
x=10.5
X< -4
You need to do inverse operations and add 12 to both sides.
Answer:
9y-y-7y+3= y+3
Step-by-step explanation:
Any time there is no number in front of a variable, it's automatically 1, you just don't put the 1 there. So it would be
9y - 1y= 8y
So after you do that, you take the 7y and subtract it from 8y
8y - 7y= 1y
And remember you don't put the 1 so it simplifies to just y.
You simply add or subtract all the numbers with the same variable
I'm not the best at explaining so if you have any questions on it I can answer them in the comments :)
Answer:
It’s c I think
Step-by-step explanation:
On edg
Sorry if it’s wrong
Answer:
b) The measure of angle B is 117°.
Step-by-step explanation:
Angles A and C are vertical angles, so are congruent. Angles C and 27° total 90°, so ...
∠C = 90° -27° = 63° . . . . . not 53°
The measure of angle B is the supplement of angle A or C, so is ...
∠B = 180° -∠C = 180° -63°
∠B = 117°
Only choice B is correct.