Hi! i believe that the correct answer would be d, a=2, b=5, c=-1
hope this helped!:)
Answer: c = 3
Step-by-step explanation: First, make sure you simplify the left side of the equation by combining our <em>c terms</em> together.
So we have 9c - 6c - 2c + 5c which simplifies to 6c.
So now we have the equation 6c = 18.
To solve for <em>c</em> in this equation, we want to get <em>c</em> by itself on the left side of the equation. Since <em>c</em> is being multiplied by 6, to get <em>c</em> by itself, we need to divide by 6 on the left side of the equation. Since we divided by 6 on the left side, we must also divide by 6 on the right side.
On the left side, the 6's cancel out so we're simply left with <em>c</em>. On the right side we have 18 divided by 6 which is 3 so we have <em>c = 3</em>.
2x + 5y = 10....multiply by -1
2x + 3y = 6
---------------
-2x - 5y = -10 (result of multiplying by -1)
2x + 3y = 6
---------------add
-2y = - 4
y = -4/-2
y = 2
2x + 5y = 10
2x + 5(2) = 10
2x + 10 = 10
2x = 10 - 10
2x = 0
x = 0
solution : (0,2)
Yes it because any function can be a solution to any certain number of different systems
