What is the answer to 2u+4=5u+1-7u ?

The answer to 2u+4=5u+1-7u is u=-3/4

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2u+4=5u+1-7u

2 u + 4 = 5 u + 1 - 7 u

u = - \frac{3}{4}

Decimal Notation

u = - 0.75

Solution steps

2 u + 4 = 5 u + 1 - 7 u

Group like terms

2 u + 4 = 5 u - 7 u + 1

Add similar elements:

5 u - 7 u = - 2 u

2 u + 4 = - 2 u + 1

Move

4

to the right side

2 u = - 2 u - 3

Move

2 u

to the left side

4 u = - 3

Divide both sides by

4

u = - \frac{3}{4}

(5 - 3 x) - (- 4 x + 6) = (8 x + 11) - (3 x + 6)

x, x + 6 y = 11

2 (x + 1) + 4 x = 3 (2 x - 1) + 8

5 (x + 1) - 2 x = 2 (3 + x)

- 2 - \frac{5}{4} x = 13