Question

3x-27=5
2x+5y=-3

étodo de sustitucion​

Answer 1

Simplifying

3x + -27 = 0

Reorder the terms:

-27 + 3x = 0

Solving

-27 + 3x = 0

Solving for variable 'x'.

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

Add '27' to each side of the equation.

-27 + 27 + 3x = 0 + 27

Combine like terms: -27 + 27 = 0

0 + 3x = 0 + 27

3x = 0 + 27

Combine like terms: 0 + 27 = 27

3x = 27

Divide each side by '3'.

x = 9

Simplifying

x = 9