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Montano1993 [528]
3 years ago
9

Solve the system of linear equations by substitution 2x-y=6 x=y-1

Mathematics
1 answer:
Oksana_A [137]3 years ago
6 0

substitute x for y-1
2(y-1)-y=6 distribute
2y-2-y=6 subtract y in 2y
y-2=6 add 2 to get y by itself
y=8

Put y back into equation x=y-1
x=8-1
X=7
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What is the vaule of m in this equation 188 = m + 80
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Explanation:

First, switch sides of an equation.

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Then, you subtract by the 80 from both sides of an equation.

m+80-80=188-80

And finally, simplify and subtract the numbers.

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\boxed{m=108}

Hope this helps!

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8 0
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How can we solve given equation?

First, we will solve like terms. Then shift constant to other side and keep x on the same side to get the value of x.

We can solve given equation as shown below:

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(5-10)/2+x=-7/4

-5/2+x=-7/4

x=5/2-7/4

x= (10-7)/4

x=3/4

Hence, the solution is x=3/4.

Learn more about Linear equations here:

brainly.com/question/43297

#SPJ4

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