Eliminate x's
multiply 2nd equation by -2 ad add to first
2x+3y=9
<u>-2x-10y=-16 +</u>
0x-7y=-7
-7y=-7
divide by -7
y=1
sub back
2x+3y=9
2x+3(1)=9
2x+3=9
minus 3
2x=6
divide 2
x=3
x=3
y=1
(x,y)
(3,1)
D
Answer:
30 divided by 5
Step-by-step explanation:
Answer:
slope is -3
Step-by-step explanation:
m is the slope, this may have been a trick question.
by the points given the slope is 1
Answer:
THE THIRD ONE
Step-by-step explanation:
the equation: An=A1+d(n-1)
plug in the numbers
Answer:
x=17
Step-by-step explanation:
7x+15=4x+66
3x=51
x=17
