Question

2x /4+3y =-6

3x /7-x=4
solve by substitution method​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

2x + -4 = 3y + 6

Reorder the terms:

-4 + 2x = 3y + 6

Reorder the terms:

-4 + 2x = 6 + 3y

Solving

-4 + 2x = 6 + 3y

Solving for variable 'x'.

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

Add '4' to each side of the equation.

-4 + 4 + 2x = 6 + 4 + 3y

Combine like terms: -4 + 4 = 0

0 + 2x = 6 + 4 + 3y

2x = 6 + 4 + 3y

Combine like terms: 6 + 4 = 10

2x = 10 + 3y

Divide each side by '2'.

x = 5 + 1.5y

Simplifying

x = 5 + 1.5y