Դասարանական աշխատանք
1. Լուծիր հավասարումը.
ա) 5 + x = 3
X=-2
բ) -7 + x = -2
X=5
գ) x + 3 = -6
X=-9
դ) 12 + x = -8
X=-20
ե) x + 18 = 18
X=1
զ) -13 + x = -5
X=-8
2.
ա) 6x = -7
X=- 7/6
բ) -2x = -13
X=13/2
գ) 2x = 0
X=0
դ) -5x = 0
X=0
ե) -x = 2
X=-2
զ) 3/4x = 1
X=4/3
է) -2x = 1/4
X=-1/8
ը) -2/3x = -3
X=2/9
3.
ա) 36 – 9x = 0 -9x=-36 x=4
բ) 5x + 2x – 9 = 5 7x=14 x=2
գ) 9x + x + 9 =19 10x=10 x=1
դ) 6x – 1 = x 5x=1 x=1/5
ե) 7x – 6 = x 6x=6 x= 1
զ) x + 8 = 3x – 4 -2x=-12 x=6
4.
ա) 4 – x = 2 + x
X=3
բ) 6x + 8 = 2x – 4
6x=-10x
X=-10/6
գ) 6x – 7 = 2x – 8
6x=3
X=3/6
դ) 6x – 3 = 2 – 3x
6x=1x
X=7
5.
ա) 4(x – 5) = 4
X-5=0
X=0
բ) 15 + 5(x – 1) = 0
X=0
գ) -(x + 9) = 7
X=-2
դ) 4 – 3(5 – 9x) = 6
X=9
ե) 2 – 4(x + 5) = 1
X=-2
զ) 9 – 2(4 – x) = 10
X=-3
Լուծիր հավասարումը.
ա) 9 + x = 7
X=-2
բ) -5 + x = -4
X=1
գ) x + 2 = -9
X=-11
դ) 23 + x = -10
X=-33
ե) x + 30 = 15
X=-15
զ) -3 + x = -5
X=-2
2.
ա) 7x = -21
X=-3
բ) -5x = -45
X=9
գ) 90x = 0
X=0
դ) -13x = 51
X=-51/13
ե) -x = 10
X=-10
զ) 2/7x = 1
X=7/2
է) -5x = 1/6
X=-30
ը) -1/9x = -4
X=36
3.
ա) 45 – 5x = 0
X=0
բ) 3x + 5x – 9 = 7
X=15/16
գ) 2x + x + 2 =19
X=21/2
դ) 12x – 44 = x
2x=-3216
X=