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a+123=2000
b+123=1123
c+1634=9830
d+63=194
x-120=300
y-60=1290
z-150=550​


Răspuns :

[tex]\mathbf{a+123=2000}[/tex]

[tex]\mathbf{a=2000-123}[/tex]

[tex]\boxed{\mathbf{a=1877}}[/tex]

[tex]\mathbf{b+123=1123}[/tex]

[tex]\mathbf{b=1123-123}[/tex]

[tex]\boxed{\mathbf{b=1000}}[/tex]

[tex]\mathbf{c+1634=9830}[/tex]

[tex]\mathbf{c=9830-1634}[/tex]

[tex]\boxed{\mathbf{c=8196}}[/tex]

[tex]\mathbf{d+63=194}[/tex]

[tex]\mathbf{d=194-63}[/tex]

[tex]\boxed{\mathbf{d=131}}[/tex]

[tex]\mathbf{x-120=300}[/tex]

[tex]\mathbf{x=300+120}[/tex]

[tex]\boxed{\mathbf{x=420}}[/tex]

[tex]\mathbf{y-60=1290}[/tex]

[tex]\mathbf{y=1290+60}[/tex]

[tex]\boxed{\mathbf{y=1350}}[/tex]

[tex]\mathbf{z-150=550}[/tex]

[tex]\mathbf{x=550+150}[/tex]

[tex]\boxed{\mathbf{z=700}}[/tex]

Răspuns:

a+123=2000

a=2000-123

a=1877

b+123=1123

b=1123-123

b=1000

c+1634=9830

c=9830-1634

c=8196

d+63=194

d=194-63

d=131

x-120=300

x=300+120

x=420

y-60=1290

y=1290+60

y=1350

z-150=550​

z=550+150

z=700