Answer:
h = -9
Explanation:
9x + 4 = hx + 4
9x + h x = 4-4 ...... like term
9x + hx = 0
9x = - hx ....... hx becom negative
9x÷x = - hx ÷ x ...... Divide(cancel) both by X to get only
one variable
then, 9 = -h .......variable can't have a sign so we transfer
for 9
h = -9 ✓