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Sagot :
Answer:
1.Simplify 4n-2n to 2n.
2n=4
divide both sides by to
n4/2
simplify 4/2 to 2
n=2
2.simplify 2+5v+2v to 2+7v
-12=2+7v
subtract 2 from both sides
-12-2=7v
simplify -12-2 t0 -14
-14=7v
divide both sides by 7
v=-2
3.cancel 3 on both sides
0=x-5x
simplify x-5x
simply x-5x to -4x
0=-4x
divide both sides by -4
x=0
4.simplify x+3-3 to x
x=-6
5. simplify 3-2k-3k to 3-5k
-12-3-5k
subtract 3 from both sides
-12-3=-5k
simplify -12-3 to -15
-15=-5k
divide both sides by -5
k=3
6. simplify -3r+2r to -4
multiply both sides by -1
1=r
switch the sides r=1
7.divide -3 by both sides
6= -3x+6
cancel 6 on both sides
0=-3x
divide both sides by -3
x=0
8.divide both sides by -3
-12r+24=-36
subtract both sides by -24
-12r=-60
divide both sides by -12r
those to negatives will turn to a positive
r=5
Step-by-step explanation:
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