4分之3x+5-12分之x+3=6分之2x+3-3等于几? 4分之3(x+5)-12分之x+3=6分之2x+3-3等于几?

2025-12-16 16:08:16
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回答1:

4分之3x+5-12分之x+3=6分之2x+3-3;
3(3x+5)-(x+3)=2(2x+3)-36;
9x+15-x-3=4x+6-36;
4x=-42;
x=-21/2;
4分之3(x+5)-12分之x+3=6分之2x+3-3;
9x+45-x-3=4x+6-36;
4x=-72;
x=-18;