You cannot solve one equation in three unknowns. You need three independent equations.
12 + 5 equals...
x=4,y=9,z=5
depends what 'a' =
you do 3 plus 5 first then you get 8 you have to find out what minus 7 equals 8
x=7
-2 plus 5 equals +3
12 + 5 equals...
x=4,y=9,z=5
A is 14
3
3
x= -.5
depends what 'a' =
The equation does not have a solution.
minus 5
you do 3 plus 5 first then you get 8 you have to find out what minus 7 equals 8
5 plus 25 equals 60. Need to solve for 5 plus 25 equals ?: 2 plus 10 equals 24 is equivalent to 2 × (1 plus 5) equals 2 × (12); and 3 plus 15 equals 36 is equivalent to 3 ×(1 plus 5) equals 3 × (12); thus 5 plus 25 equals ? is equivalent to 5 × (1 plus 5) equals 5 × (12); thus ? = 5 × 12 = 60.