What is the answer to solvefor y,2x+y-1.3x-y=-9 ?

The answer to solvefor y,2x+y-1.3x-y=-9 is True for all y;\quad 7x=-90

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Popular >

solvefor y,2x+y-1.3x-y=-9

Solution

solve for

y, 2 x + y - 1.3 x - y = - 9

Solution

True for all y; 7 x = - 90

Solution steps

2 x + y - 1.3 x - y = - 9

Group like terms

2 x - 1.3 x + y - y = - 9

Add similar elements:

2 x - 1.3 x = 0.7 x

0.7 x + y - y = - 9

Add similar elements:

y - y = 0

0.7 x = - 9

To eliminate decimal points, multiply by 10 for every digit after the decimal pointThere is one digit to the right of the decimal point, therefore multiply by

10

0.7 x \cdot 10 = - 9 \cdot 10

Refine

7 x = - 90

Both sides are equal

True for all y; 7 x = - 90

Popular Examples

7x+12=12x-28

7 x + 12 = 12 x - 28

2n+23=-19-n

2 n + 23 = - 19 - n

x/2+(2x+3)/3 =1

\frac{x}{2} + \frac{2 x + 3}{3} = 1

2x-10=-2

2 x - 10 = - 2

solvefor y,x=4y-8 solve for

y, x = 4 y - 8

Frequently Asked Questions (FAQ)

What is the answer to solvefor y,2x+y-1.3x-y=-9 ?
The answer to solvefor y,2x+y-1.3x-y=-9 is True for all y;\quad 7x=-90