wde14510 wde14510
  • 12-11-2019
  • Mathematics
contestada

what is x? x * 3 + x *4 = 90

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idontknowwhyyouask idontknowwhyyouask
  • 12-11-2019

Answer:

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Step-by-step explanation:

Sorry... i wish i could help

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Аноним Аноним
  • 12-11-2019

I'm guessing you mean 3x + 4x = 90. In that case, you add the like terms together: 7x = 90. You can divide it which leaves you 90/7 (improper fraction).

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