2 years ago

Equations: 2x - y = 7

Mathematics

1 answer:

lana [24]2 years ago

5 0

Answer:

x = 3.5 + 0.5y

Step-by-step explanation:

Simplifying

2x + -1y = 7

Solving

2x + -1y = 7

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add 'y' to each side of the equation.

2x + -1y + y = 7 + y

Combine like terms: -1y + y = 0

2x + 0 = 7 + y

2x = 7 + y

Divide each side by '2'.

x = 3.5 + 0.5y

Simplifying

x = 3.5 + 0.5y

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