43)
a/ 6^2 * 6^3 = 6^5 b/ 7^2 * 7^4 = 7^6 c/ 4^3 * 4^8 = 4^11
d/ 5 * 5^3 = 5^4 e/ 6^2 * 6^4 = 6^6 f/ 9^6 * 9 = 9^7
3(2x-5)-8x = 7x+3 <=> 6x-15-8x = 7x+3 <=> -2x-15 = 7x+3 <=>
-2x-15+2x-3 = 7x+3+2x-3 <=> -18 = 9x <=> -18/9 = 9x/9 <=> x = -2
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43)
a/ 6^2 * 6^3 = 6^5 b/ 7^2 * 7^4 = 7^6 c/ 4^3 * 4^8 = 4^11
d/ 5 * 5^3 = 5^4 e/ 6^2 * 6^4 = 6^6 f/ 9^6 * 9 = 9^7
3(2x-5)-8x = 7x+3 <=> 6x-15-8x = 7x+3 <=> -2x-15 = 7x+3 <=>
-2x-15+2x-3 = 7x+3+2x-3 <=> -18 = 9x <=> -18/9 = 9x/9 <=> x = -2