Question 726644
x = Mary's age
x + 5 = George's age


x + x + 5 = 43   {sum of ages is 43}
2x + 5 = 43 {combined like terms}
2x = 38 {subtracted 5 from each side}
x = 19 {divided each side by 2}
x + 5 = 24 {substituted 19, in for x, into x + 5}


Mary is 19
George is 24
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