there are two solutions, one positive and one negative. remember to flip the inequality when taking the negative solution
x-4 < 1 x-4 > -1
add 4 to each side
x-4+4 < 1+4 x-4+4 > -1+4
x< 5 x> 3
3< x< 5
Answer from: Quest
51
step-by-step explanation:
73-22=51 the mass number minus the amount of protons gives you the amount of neutrons
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