5(7-3x)+7(2+2x)=0
35-15x + 14+14x =0
49-x=0
x=49
9(3-2x)+5(3x+5)=7
27-18x+15x+25=7
52-3x=7
-3x=7-52
-3x=-45
x=15
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5(7-3x)+7(2+2x)=0
35-15x + 14+14x =0
49-x=0
x=49
9(3-2x)+5(3x+5)=7
27-18x+15x+25=7
52-3x=7
-3x=7-52
-3x=-45
x=15