9x+3
Step-by-step explanation:
Step 1
=12x+7+−1(3x+4)
=12x+7+−1(3x)+(−1)(4)
=12x+7+−3x+−4
Step 2
=(12x+−3x)+(7+−4)
=9x+3
Love
Dani
Please give brainilest
d.4.20 6 divide 25.20 I think