Solve {l}{3t-3=5}{4s-37=t} | Microsoft Math Solver

Resolva para t, s

t = \frac{8}{3} = 2 \frac{2}{3} \approx 2.666666667

s = \frac{1 1 9}{1 2} = 9 \frac{1 1}{1 2} \approx 9.916666667

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Passos Para a Resolução

3 t - 3 = 5 4 s - 37 = t

Considere a primeira equação. Adicionar

3

em ambos os lados.

3 t = 5 + 3

Some

5

e

3

para obter

8

.

3 t = 8

Divida ambos os lados por

3

.

t = \frac{8}{3}

Considere a segunda equação. Inserir os valores conhecidos de variáveis na equação.

4 s - 37 = \frac{8}{3}

Adicionar

37

em ambos os lados.

4 s = \frac{8}{3} + 37

Some

\frac{8}{3}

e

37

para obter

\frac{1 1 9}{3}

.

4 s = \frac{1 1 9}{3}

Divida ambos os lados por

4

.

s = \frac{\frac{1 1 9}{3}}{4}

Expresse

\frac{\frac{1 1 9}{3}}{4}

como uma fração única.

s = \frac{1 1 9}{3 \times 4}

Multiplique

3

e

4

para obter

12

.

s = \frac{1 1 9}{1 2}

O sistema está resolvido.

t = \frac{8}{3}

s = \frac{1 1 9}{1 2}

Quiz

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3 t - 3 = 5 4 s - 37 = t

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For a solution to the second version of the question, see below. This applies to the first version of the question, where

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You cannot perform type 3 ERO for 2 rows where the pivot row are the other one at the same time. The EROs should be performed one by one, so when you add

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3t=5+3

Considere a primeira equação. Adicionar 3 em ambos os lados.

3t=8

Some 5 e 3 para obter 8.

t=\frac{8}{3}

Divida ambos os lados por 3.

4s-37=\frac{8}{3}

Considere a segunda equação. Inserir os valores conhecidos de variáveis na equação.

4s=\frac{8}{3}+37

Adicionar 37 em ambos os lados.

4s=\frac{119}{3}

Some \frac{8}{3} e 37 para obter \frac{119}{3}.

s=\frac{\frac{119}{3}}{4}

Divida ambos os lados por 4.

s=\frac{119}{3\times 4}

Expresse \frac{\frac{119}{3}}{4} como uma fração única.

s=\frac{119}{12}

Multiplique 3 e 4 para obter 12.

t=\frac{8}{3} s=\frac{119}{12}

O sistema está resolvido.

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