2.(-9x-4)-7+(6-5x).3=18
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1
-18x-8-7+18-15x=18
-33x=18-3
-33x=15
x=15/33
x=5/11
-33x=18-3
-33x=15
x=15/33
x=5/11
Respondido por
1
2.(9x-4)-7+(6-5x).3=18
2.9x-4-7+ 6-5x.3=18
2.4x-4-7+6.3=18
2.4x-4-7+18=18
2.(-18)-4-7+18=4x
36+7=4x
43=4x
2.9x-4-7+ 6-5x.3=18
2.4x-4-7+6.3=18
2.4x-4-7+18=18
2.(-18)-4-7+18=4x
36+7=4x
43=4x
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