The answer is 6
Hope this helps
The answer is -a + b = 0
If she wants to solve <span>a system of linear equations by elimination and if one equation is unknown, one of the solutions in the unknown equation must be negative:
Known equation: a + b = 4
Unknown equation: -a + b = ?
We know that a = 2 and be = 2, thus:
</span>Unknown equation: -2 + 2 = 0
The general form of the equation is -a + b = 0
Let's check it out:
Known equation: a + b = 4
Unknown equation: -a + b = 0
________________________
Add them up: 2b = 4
b = 4/2 = 2
a + b = 4
a = 4 - b
a = 4 - 2
a = 2
So, the second equation is correct.
Answer:
False
Step-by-step explanation:
2*2 =4, so if this were true 4*2 would equal 6. Since it doesn't, the answer is false.
I hope this helps :)
The answer is Three
<em>From </em><em>A-pex</em>
Answer:
<em>Line 2 ║ Line 3</em><em> </em>
Step-by-step explanation:
y = mx + b
~~~~~~~~~~
Line 1: <em>y = - 7x + 6</em>
Line 2: x + (1/3)y = - 6 ⇔ <em>y = - 3x - 18</em>
Line 3: <em>y = - 3x - 8</em>
Line 4: y + 7 = (-1/7)(x + 4) ⇔ <em>y = </em><em> x - </em>
= ⇒ <em>Line 2 ║ Line 3 </em>