What is the answer to 3x+7+2x=x+12-8 ?

The answer to 3x+7+2x=x+12-8 is x=-3/4

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3x+7+2x=x+12-8

3 x + 7 + 2 x = x + 12 - 8

x = - \frac{3}{4}

Decimal Notation

x = - 0.75

Solution steps

3 x + 7 + 2 x = x + 12 - 8

Group like terms

3 x + 2 x + 7 = x + 12 - 8

Add similar elements:

3 x + 2 x = 5 x

5 x + 7 = x + 12 - 8

Add/Subtract the numbers:

12 - 8 = 4

5 x + 7 = x + 4

Move

7

to the right side

5 x = x - 3

Move

x

to the left side

4 x = - 3

Divide both sides by

4

x = - \frac{3}{4}

7 x + 33 + 9 x + 42 = 104

2 d^{2} + 9 d + 10

\frac{19 + 7 i}{4 - 5 i}

(\frac{7}{6})^{3}

\frac{2 π}{4}