7/5 = 1.4
7 over 5 is equal to 1.4
7/5=1.4
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5b plus 5-3b-7 is 2b-2.
Add the equations: 4a + 4a - 5b + 5b = 7 + 17 ie 8a = 24 a = 3, so b = 1
-2b + 7 -3b = 2 -2b +7 -3b +2b = 2 + 2b 7 -3b + 3b = 2 + 2b +3b 7-2 = 2-2 + 2b + 3b 5 = 5b 1 = b
b=7
(a^2 + 8b)(a^2 - 5b)