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X/10=10+10
x/10=20
x=20(10)
x=200
2)x/5-2=1
x/5=1+2
x/5=3
x=3(5)
x=15
3)2x+8²=4
2x+64=4
2x=4-64
2x=-60
x=-60/2
x=-30