solve 6(a + 6) − 7(7a + 8) = −364

in need the varible that equals the correct number please.
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6(x+6) -7(7x+8)=-364... 6x +36 -49x -56=-364... (6x-49x) +(36-56)=-364... -43x -20=-364... -43x=20-364=-344... x=344/43... x=8
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