7x+4x+5x=0
x=?
\( 7x+4x+5x=0 \)
\( x=\text{?} \)
\( 7m+3m-40m=0 \)
\( m=\text{?} \)
\( 2a+3a+45a=0 \)
\( a=\text{?} \)
\( a+7+3a-15=0 \)
\( a=\text{?} \)
\( x+8+3x-4=0 \)
\( x=\text{?} \)
Let's combine all the x terms together:
The resulting equation is:
Now let's divide both sides by 16:
0
2
1-
\( b+2b+4=0 \)
\( b=\text{?} \)
\( 5+3+x+2x+1=0 \)
\( x=\text{?} \)
\( 70x+30x+10+1+10x=0 \)
\( x=\text{?} \)
3-