Answer:
7x+7
Step-by-step explanation:
10x + 7 - 3x
Combine like terms
10x-3x +7
7x+7
Step-by-step explanation:
10x + 7 - 3x
= 10x - 3x + 7
= 7x + 7
[tex] \small{\colorbox{black}{\purple{\boxed{\pink{ \sf\:✨ \small{ḀṆṠẇḕṙ \: ḃẏ}✨{ \small{\gray{\boxed{\orange{\: \tt \: - ꆰꍟꈤ꒒ - \:}}}}}}}} }}[/tex]