Answer :
so 'A' is a placeholder to hold the place of an unknown number
in equations you must do the same thing to both sides or else the equation won't be equal
A+4=11
subtract 4 from both sides
A=7
I'm not sure what 'thid' means
in equations you must do the same thing to both sides or else the equation won't be equal
A+4=11
subtract 4 from both sides
A=7
I'm not sure what 'thid' means
