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rewona [7]
2 years ago
15

PLSS HELP IF YOU TURLY KNOW THISS

Mathematics
2 answers:
dangina [55]2 years ago
6 0

Answer:

\frac{0.3x - 2.1}{3}  = 0.4  \\ 0.3x - 2.1 = 0.4 \times 3 \\ 0.3x - 2.1 = 0.12 \\ 0.3 x = 0.12 + 2.1 \\ 0.3x = 2.22 \\ x =  \frac{2.22}{0.3}  \\ x = 7.4

ollegr [7]2 years ago
5 0

Answer:

\frac{0.3x - 2.1}{3}  = 0.4 \\ 0.3x - 2.1 = 0.4 \times 3 \\ 0.3x - 2.1 = 1.2 \\ 0.3x = 1.2 + 2.1 \\ 0.3x = 3.3 \\ x =  \frac{3.3}{0.3}  \\  \boxed{x = 11}

  • <u>x = 11</u> is the right answer.
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