To solve the equations: {2a-b = - 3,2b-a = 3 2a-b=-3 2b-a=3 | Math enthusiast | Mathematical art

To solve the equations: {2a-b = - 3,2b-a = 3 2a-b=-3 2b-a=3

2a-b=-3①
2b-a=3②
①×2+②
4a-a=-6+3
3a=-3
a=-1
Generation a = - 1 into ①
-2-b=-3
b=1
That is: the solution of the equations is a = - 1; b = 1

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