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4x=16
x=4
2. -4y-6y=-25+15
-10y=-10
y=1
3. 2+4=x
6=x
6.=x
x=9
-4x+8x=1+15
4x= 16
x= 16:2
x=8
2.) 25-4y=6y+15
25-15=6y+4y
10=10y
y= 10:10
y=1
no 3 maaf gk tau
*dan maaf klo salah