Multiply both sides of the each equation in order to get the coefficient to be an integer.

Mathematics

2 answers:

tamaranim1 [39]2 years ago

6 0

45 = 1/2a - 3
45 + 3 = 1/2a
48 = 1/2a
48 x 2 = a
96 = a
a = 96

monitta2 years ago

5 0

$45= \frac{1}{2}a-3 //+3 \\ 48= \frac{1}{2} a// : \frac{1}{2} \\ 48: \frac{1}{2}=a=\ \textgreater \ 48*2=a=\ \textgreater \ a=96$
Hope that helps.Have a nice day!! ^^

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