Solve the system of equations 2y - 3x = -27 5y + 3x = 6 PLEASE EXPLAIN STEPS!
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(7, -3)

Step-by-step explanation:

Add the two equations to eliminate x:

7y = -21

Then solve 7y = −21 for y:

= (Divide both sides by 7)

y = -3

Now that we've found y let's plug it back in to solve for x.

Write down an original equation:

2y - 3x = -27

Substitute -3 for y in 3y - 3x = -27:

(2)(-3) - 3x = -27

-3x - 6 = -27 (Simplify both sides of the equation)

-3x - 6x + 6x = -27 + 6 (Add 6 to both sides)

-3x = -21

= (Divide both sides by -3)

x = 7

the answer is c. hope this !

step-by-step explanation:

option 3 . (5x + 1) - (-10x + 6)

step-by-step explanation:

option 1 :

(4x + 3) + (-9x + 4)

or 4x+3 -9x + 4

or -5x + 7

option 2

(x - 2) - (6x - 9)

or x-2-6x + 9

or -5x + 7

option 3

(5x+ + 6)

or 5x + 1 + 10x -6

or 15x -5

option 4

-4x+2x+7-3x

-7x + 2x + 7

-5x + 7

hence only option 3 did   not satisfy the given simplify expression.