multiply both sides by six.
3(z+9)+2(z-3)=36
3z+27+2z-6=36
5z=36-21
solve for z.
How do I solve z+9/2 + z-3/3=6
2 answers
z+9/2 + z-3/3=6
2z + 4 1/2 - 1 = 6
2z + 3 1/2 = 6
2z = 2 1/2
z = 1 1/4
Check it by substituting 1 1/4 for z in your original problem. Is that the correct answer?
2z + 4 1/2 - 1 = 6
2z + 3 1/2 = 6
2z = 2 1/2
z = 1 1/4
Check it by substituting 1 1/4 for z in your original problem. Is that the correct answer?