Answer:
[tex]{ \tt{ - \frac{h}{3} - 17 = 25 }} \\ [/tex]
• Apply additional property of equality:
[tex]→ \: { \tt{ - \frac{h}{ 3} = 25 + 17 }} \\ \\ → \: { \tt{ - \frac{h}{3} = 42}}[/tex]
• Apply cross multiplication, multiply either sides by -3:
[tex]→ \: { \tt{( - \frac{h}{3} \times - 3) = 42 \times - 3 }} \\ \\ → \: { \tt{h = - 3 \times 42}} \\ \\ → \: { \underline{ \tt{ \: \: h = - 126 \: }}}[/tex]
