Answer:
Assessment
1.)-52
2.)8
3.)
4.)-2
Step-by-step explanation:
1.) x=-52 -> -52+20=-32
2.)x=8 -> 5(8)/2 - 12 = 8 -> 40/2 - 12 = 8 -> 20-12=8 -> 8=8
4. )x=-2 -> -(-2)-6= 4(-2) + 4 -> 2-6= -8+4 = -4 = -4
INDEPENDENT ASSESSMENT 1
1.solution:X=12
2.solution:X1=-43,x2=71
3.solution:X=8
4solution:X=-2
1.X=12
X+20=32
x=32-20
x=12
2.X1=-43,x2=71
|-14+x|=57
-14+x=57
×=71
x=71
x1=-43,x2=71
3.X=8
5x/2-12=8
5x-24=16
5x=16+24
5x=40
x=8
4.X=-2
-x-6=4x+4
move the variable to the left-hand side and change its sign
-x-4x=4+6
collect like terms
-5x=4+6
divide both sides of the equation by -5
-5x=10
X=-2
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Answers & Comments
Answer:
Assessment
1.)-52
2.)8
3.)
4.)-2
Step-by-step explanation:
1.) x=-52 -> -52+20=-32
2.)x=8 -> 5(8)/2 - 12 = 8 -> 40/2 - 12 = 8 -> 20-12=8 -> 8=8
3.)
4. )x=-2 -> -(-2)-6= 4(-2) + 4 -> 2-6= -8+4 = -4 = -4
INDEPENDENT ASSESSMENT 1
1.solution:X=12
2.solution:X1=-43,x2=71
3.solution:X=8
4solution:X=-2
Step-by-step explanation:
1.X=12
X+20=32
x=32-20
x=12
2.X1=-43,x2=71
|-14+x|=57
-14+x=57
-14+x=57
×=71
-14+x=57
x=71
x1=-43,x2=71
3.X=8
5x/2-12=8
5x-24=16
5x=16+24
5x=40
x=8
4.X=-2
-x-6=4x+4
move the variable to the left-hand side and change its sign
-x-4x=4+6
collect like terms
-5x=4+6
divide both sides of the equation by -5
-5x=10
X=-2