ա)2x + (3x + 1) = 4
2x + 3x = 4 — 1
5x = 3
x = 3/5
բ)(2x + 5) + (3x — 8) = 7
2x + 3x = 7 + 8 — 5
5x = 10
x = 2
գ)2x — (x — 1) = 3
2x — x = 3 + 1
x = 4
դ)(2x — 3) — (x + 1)= 1
2x — x = 1 + 3 + 1
x = 5
ա)3(x + 2) = 8
3x — 6 = 8
3x = 14
x = 14/3
բ)(x + 2)4 = 7
4x + 8 = 7
4x = -1
x = -0,25
գ)(2x + 1)9 = 9
18x + 9 = 9
18x
դ)5(2 — 3x) — 7 = 0
10 — 15x — 7 = 0
-15x = 0 + 7 — 10
x = 3/15
ե)3(x — 5) + 8 = 17
3x — 15 + 8 = 17
3x = 17 + 15 — 8
x = 8
զ)6(x — 3) + 2(x + 2) = 10
6x — 18 + 2x + 4 = 10
6x + 2x = 10 + 18 — 4
x = 3
է)5(x — 1) — 4(x — 2) = 10
5x — 5 — 4x + 8 = 10
5x — 4x = 10 — 8 + 5
x = 7
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