What is the answer to x+3-7x=-40+7 ?

The answer to x+3-7x=-40+7 is x=6

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x+3-7x=-40+7

x + 3 - 7 x = - 40 + 7

x = 6

Solution steps

x + 3 - 7 x = - 40 + 7

Group like terms

x - 7 x + 3 = - 40 + 7

Add similar elements:

x - 7 x = - 6 x

- 6 x + 3 = - 40 + 7

Add/Subtract the numbers:

- 40 + 7 = - 33

- 6 x + 3 = - 33

Move

3

to the right side

- 6 x = - 36

Divide both sides by

- 6

x = 6

b (x + 4) = 3 (x + 10)

\frac{6 x}{7} + \frac{4 ( x - 2 )}{14} - \frac{2 ( x + 2 )}{7} = 9

7 u + 2 = 5 u + 26

z = \frac{( 3 - i ) ^{6} ( - 1 - i ) ^{12}}{( 2 + 2 i ) ^{8}}

\frac{x + 2}{6} - \frac{x}{2} = 3