5 (x-4) - 7 (7-x) - 9 = 12-3 (9-x)

5 (x-4) - 7 (7-x) - 9 = 12-3 (9-x)


5(x-4)-7(7-x）-9=12-3（9-x)
5x-20-49+7x-9=12-27+3x
5x+7x-3x=12-27+20+49+9
9x=63
x=63÷9
x=7



(320+X)÷52=(846+X)÷120 X=?


(320+X)÷52=(846+X)÷120
(320+X)*120=(846+X)*52
320*120+120X=846*52+52X
(120-52)X=846*52-320*120
X=5592/68=1398/17=82.23



（42-x)*4=52+x,


（42-x)*4=52+x
168-4x=52+x
5x=168-52=116
x=116/5



How to solve x ^ 2 + (x + 2) ^ 2 = 52?


x²+x²+4x+4=52
2x²+4x-48=0
x²+2x-24=0
(x+6)(x-4)=0
x=-6,x=4

Elden Ring Premiere

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