Answer:
4x - 5
Step-by-step explanation:
[tex](x+7)+(3x-12)\\x+7+3x-12\\4x-5[/tex]
This is how to simplify the equation from the equation given.
[tex]4x - 5[/tex] ✔
[tex](x + 7) + (3x - 12) \\ = x + 3x + 7 - 12 \\ = 4x - 5[/tex]
[tex]\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘[/tex]
