Answer:
A: 6,804
Step-by-step explanation:
189 x 36 = 6804
Well, we can begin by simplifying.
6/3 equals 2, so we make the left side 2.
2 = 22/x
x is being divided by 22, so to undo it, we multiply.
therefore it becomes:
2 times x = 22
2x = 22
we can divide by 2 on both sides.
we are left with
x = 22/2
22/2 is 11, so x = 11.
hope this helps!
For Y=2x+10 X=y/2 -5. Second x/3
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Answer:
(10, - 9 )
Step-by-step explanation:
Given the 2 equations
y = - 2x + 11 → (1)
y = - 3x + 21 → (2)
Substitute y = - 2x + 11 into (2)
- 2x + 11 = - 3x + 21 ( add 3x to both sides )
x + 11 = 21 ( subtract 11 from both sides )
x = 10
Substitute x = 10 into either of the 2 equations and evaluate fir y
Substituting into (1)
y = - 2(10) + 11 = - 20 + 11 = - 9
solution is (10, - 9 )
