Question

Which is a ordered solution to the pair?
7x + 2y= -39
-8x +3y= -3 please tutor me

Answer 1

\[ Which ordered pair is a solution of the system? 7x + 2y = –39 –8x + 3y = –3\]

Answer 2

7x+2y=-39

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Equation:
Solution for 7x+2y=-39 equation:

Simplifying
7x + 2y = -39

Solving
7x + 2y = -39

Solving for variable 'x'.

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

Add '-2y' to each side of the equation.
7x + 2y + -2y = -39 + -2y

Combine like terms: 2y + -2y = 0
7x + 0 = -39 + -2y
7x = -39 + -2y

Divide each side by '7'.
x = -5.571428571 + -0.2857142857y

Simplifying
x = -5.571428571 + -0.2857142857y

Answer 3

Solution for -8x+3y=-3 equation:

Simplifying
-8x + 3y = -3

Solving
-8x + 3y = -3

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
-8x + 3y + -3y = -3 + -3y

Combine like terms: 3y + -3y = 0
-8x + 0 = -3 + -3y
-8x = -3 + -3y

Divide each side by '-8'.
x = 0.375 + 0.375y

Simplifying
x = 0.375 + 0.375y