Question

2x+15 =-5x+ 43

Answer 1

7x = 28
x = 4

Answer 2

how ?
I'm so confused.

Answer 3

\[2x+15 =-5x+ 43\]


\[2x+5x+15=-5x+5x+43\]
\[7x+15=43\]
subtract 15 from both sides to get
\[7x+15-15=43-15\]
\[7x=28\] divide both sides by 7 to get
\[\frac{7x}{7}=\frac{28}{7}\]
\[x = 4\]

Answer 4

thanks, that helps a lot.

Answer 5

yw