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-12.[x-5]+7.[3-x]=5 tim x
tim x thoa man: -12(x-5)+7(3-x)=5
Tim x biết : -12(x-5)+7(3-x)=5
tim x thoa man -12*(x-5)+7*(3-x)=5
Tim x thoa man : -12.(x-5)+7.(3-x0) =5 .
Tim x biet : - 12 ( x-5) + 7 ( 3 - x ) = 5
Tim x,biết:
a,15 - 5.(x + 4) = - 12 - 3
b, ( 7 - x ) - ( 25 + 7) = - 25
c, | x + 2 | = 0
d, | x + 3 | + 7 - ( - 2)
e, | x - 5| = | - 7 |
g, - x - 20-(8 - 2x) = (-12-3)
Tim x biet:
-12*(x-5)+7*(3-x)=5
tim x thoa man -12(x-5)+7(3-x) =5