What is the answer to -810= 10/2 (2a_{1}+108) ?

The answer to -810= 10/2 (2a_{1}+108) is a_{1}=-135

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-810= 10/2 (2a_{1}+108)

- 810 = \frac{10}{2} (2 a_{1} + 108)

a_{1} = - 135

Solution steps

- 810 = \frac{10}{2} (2 a_{1} + 108)

Switch sides

\frac{10}{2} (2 a_{1} + 108) = - 810

Divide both sides by

5

2 a_{1} + 108 = - 162

Move

108

to the right side

2 a_{1} = - 270

Divide both sides by

2

a_{1} = - 135

\frac{2 x - 6}{4} = - 7

x + 2 x - 2 = 3 x - 2

5 - 6 x = - 85

x + \frac{x}{2} + 2 x + 3 x = 55

2 x + x + 2 = 5 x - 10

What is the answer to -810= 10/2 (2a_{1}+108) ?
The answer to -810= 10/2 (2a_{1}+108) is a_{1}=-135