3x + 7

The value of x is ???

Question

3x + 7

The  value of x is ???

anonymous · Answer

equals to what

anonymous · Answer

|dw:1398113374038:dw|


The value of x is_____
The measure of <1 is____
The measure of < 2____
The measure of < 3 is____
The measure of < 4 is____
The measure of < 5is ____
The measure of < 6 is _____
The measure of < 7 is _____
The measure of <8 is____
Angles 2 and 3 are__________angles

whpalmer4 · Answer

Okay, do you know anything about lines A, B, C, like whether they are parallel or not?

anonymous · Answer

?

anonymous · Answer

I drew it just how it looks

whpalmer4 · Answer

Okay, then if it doesn't say they are parallel, we can't assume that they are.

whpalmer4 · Answer

What do you know about hte relationship between the opposite angles (such as 7 and 8) when you have two lines crossing?

anonymous · Answer

ummm

whpalmer4 · Answer

The angles opposite each other are congruent (equal)

|dw:1398118070641:dw|

whpalmer4 · Answer

so $$3x+19=5x-29$$

from the intersection of lines C and D

Can you solve that for $x$?

anonymous · Answer

no

whpalmer4 · Answer

Start by subtracting 19 from both sides.  What do you get?