4x+2乘(12-x)等于36

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4x+2乘(12-x)等于364x+2乘(12-x)等于364x+2乘(12-x)等于364x+2(12-x)=364x+24-2x=362x=12x=64X+2*(12-X)=364x+24-2X=

4x+2乘(12-x)等于36
4x+2乘(12-x)等于36

4x+2乘(12-x)等于36
4x + 2(12-x) = 36
4x + 24 - 2x = 36
2x = 12
x = 6

4X+2*(12-X)=36
4x+24-2X=36
2X+24=36
2X=12
X=6

4x + 2( 12-x ) = 36
4x + 2×12 - 2x = 36
2x = 36-24
x = 6