7 + 4x = 1x + 2x I simplified the problem and got 7 + 4x = 3x, however when I do -4 to both sides I end up with 7 = -1 and the answer would be -7 and I checked and said it was wrong so I’m stuck here.

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1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x

good luck on ur quiz test or homework. have a good day : )