Answer:
12x+15x=27 or
27x=27
or x=1
x=1
Step-by-step explanation:
3x(4+5)=27, we can combine like terms and we have
3x * 9 = 27 , this is another way to write 3x(4+5)=27
27x = 27, this is another way to write 3x(4+5)=27
x= 1, this is another way to write 3x(4+5)=27
