Question 1126826
Let {{{ a }}} = Larry's age now
Let {{{ b }}} = Curly's age now
Let {{{ c }}} = Moe's age now
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(1) {{{ a = c + 8 }}}
(2) {{{ b = 3c }}}
(3) {{{ a - 5 + c - 5 = b - 5 - 4 }}}
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(3) {{{ a + c - 10 = b - 9 }}}
(3) {{{ a - b + c = 1 }}}
Plug (1) and (2) into (3)
(3) {{{ c + 8 - 3c + c = 1 }}}
(3) {{{ -c = -7 }}}
(3) {{{ c = 7 }}}
and
(1) {{{ a = 7 + 8 }}}
(1) {{{ a = 15 }}}
and
(2) {{{ b = 3*7 }}}
(2) {{{ b = 21 }}}
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Larry is 15
Curly is 21
Moe is 7
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check:
(3) {{{ a - b + c = 1 }}}
(3) {{{ 15 - 21 + 7 = 1 }}}
(3) {{{ 22 - 21 = 1 }}}
(3) {{{ 1 = 1 }}}
OK