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Substitute y = 2x - 1 into the first equation.
2x + 3(2x -1) = 21
2x + 6x - 3 = 21
8x = 24
x = 3
Therefore y = 2(3) - 1 = 5
think of ways to add up 1.0.5 x 20.4 and 0.60.3 and 0.70.2 and 0.80.1 and 0.9 then multiply them and you'll find the last one to be correct
Students who study German in Year 12 do not study Maths.
Most verbs form their perfect tense with avoir. There are two main groups of verbs, however, which form their perfect tense with être :-All reflexive verbs -A group of verbs that are mainly used to talk ...
0.14*525 = 73.5Therefore, £73.50 is the answer.
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