ա) x — 11 = 17 բ) 6+x=2
x = 17 + 11 x=2-6
x =28 x = -4
գ) 12 + x = — 6 դ) x + 13 = 5
x = -6 — 12 x = 5 — 13
x = 6 x = -8
ա) x + 2 = 1 բ) x — 3 = 2
x = 1 — 2 x = 2 + 3
x = -1 x=5
գ) 2x = 3 դ)1/2 x= 4
x= 3/2 x= 4 : 1/2
4/1 ։ 1/2 = 4/1 ․ 2/1 = 8/1 = 8
x=8
ա) x — 3 = -3 բ) 5 + x = 3
x= -3 +3 x = 3 — 5
x = 0 x = -2
գ) x + 7 = 7 դ) x — 6 = 6
x = 7 — 7 x = 6 + 6
x = 0 x = 12
ա) 3x + 2x = 10 բ) 5x + x = 6
5x = 10 6x = 6
x = 10 : 5 x = 6 : 6
x = 2 x = 1
գ) 4x − 3x = 5 դ) 4x + 2x − x = 10
7x = 5 5x = 10
x = 5/7 x = 10 : 5
x = 2
ա) 3x — x = 8 բ) 2x — 3x + 2 = 5
3x — x = 8 2x — 3x = 5 — 2
2x = 8 -x = 3
x = 8 : 2
x = 4
գ) 3x — 7 — 5x + 4x = 1 դ) 2y − 5 − 12y + 3 + 3y = 12
3x — 5x + 4x = 1 + 7 2y — 12y +3y = 12 + 5 — 3
2x = 8 -7y = 14
x = 8 : 2 y = 14 : (-7)
x = 4 y = -2
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