Answer:
60
Step-by-step explanation:
Answer:
x < -11 or x > 3
Step-by-step explanation:
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Answer:
Step-by-step explanation:
Step: Solve3x−2y=19for x:
3x−2y=19
3x−2y+2y=19+2y(Add 2y to both sides)
3x=2y+19
3x
3
=
2y+19
3
(Divide both sides by 3)
x=
2
3
y+
19
3
Step: Substitute
2
3
y+
19
3
forxin5x+4y=17:
5x+4y=17
5(
2
3
y+
19
3
)+4y=17
22
3
y+
95
3
=17(Simplify both sides of the equation)
22
3
y+
95
3
+
−95
3
=17+
−95
3
(Add (-95)/3 to both sides)
22
3
y=
−44
3
22
3
y
22
3
=
−44
3
22
3
(Divide both sides by 22/3)
y=−2
Step: Substitute−2foryinx=
2
3
y+
19
3
:
x=
2
3
y+
19
3
x=
2
3
(−2)+
19
3
x=5(Simplify both sides of the equation)
Answer:
x=5 and y=−2
<span>This image
show how to divide a given line segment into a number of equal parts by using a
compass and ruler. First, draw the line
AB. Secondly, draw a line above and divide into 5 equal distances to make a
line AC. Third, using a compass by getting the distance of point C and B to be
equal in the distance of point A and D, also getting the distance of point C to
A to be equal to point B and D, then to make the Line DB. Finally divide into 5
equal parts by compass</span>.