What is the answer to 3.4a+7.02-1.31a=9.2a ?

The answer to 3.4a+7.02-1.31a=9.2a is a= 78/79

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3.4a+7.02-1.31a=9.2a

3.4 a + 7.02 - 1.31 a = 9.2 a

a = \frac{78}{79}

Decimal Notation

a = 0.98734 \dots

Solution steps

3.4 a + 7.02 - 1.31 a = 9.2 a

Group like terms

3.4 a - 1.31 a + 7.02 = 9.2 a

Add similar elements:

3.4 a - 1.31 a = 2.09 a

2.09 a + 7.02 = 9.2 a

Multiply both sides by

100

209 a + 702 = 920 a

Move

702

to the right side

209 a = 920 a - 702

Move

920 a

to the left side

- 711 a = - 702

Divide both sides by

- 711

a = \frac{78}{79}

3 \cdot 3

4 m - 9 = m + 7

8175

4

[2]

What is the answer to 3.4a+7.02-1.31a=9.2a ?
The answer to 3.4a+7.02-1.31a=9.2a is a= 78/79
Solve for a: 3.4a+7.02-1.31a=9.2a
The solution is a= 78/79