What is the answer to -3.55=-3.2+0.7a ?

The answer to -3.55=-3.2+0.7a is a=-1/2

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-3.55=-3.2+0.7a

- 3.55 = - 3.2 + 0.7 a

a = - \frac{1}{2}

Decimal Notation

a = - 0.5

Solution steps

- 3.55 = - 3.2 + 0.7 a

Switch sides

- 3.2 + 0.7 a = - 3.55

Multiply both sides by

100

- 320 + 70 a = - 355

Move

320

to the right side

70 a = - 35

Divide both sides by

70

a = - \frac{1}{2}

3 x + 5 x - 12 + 2 x = 9 x - 9

3 x + 2 = 1

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

- 3 x + 5 = - 13

x, 2 x - 3 y = 10 y - 6 x