2÷60x—30=20 1/30x=50 x=150 4÷2x=5x—3 2x=5x-3 -3x=-3 x=1 5÷90=10+x 1/18=10+x -x=-1/18+10 x=-179/180
2÷60x—30=20 4÷2x=5x—3 5÷90=10+x
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