Bir noma'lumli chiziqli tenglamalar — 7-sinf Algebra test savollari

1.3(2x - 1) - 2(x + 3) = 5 tenglamani yeching.

• A)$\frac{7}{2}$
• B)$\frac{9}{2}$
• C)$\frac{5}{2}$
• D)$-\frac{7}{2}$

2.5x - 2(x - 3) = 4(x + 1) - 2 tenglamani yeching.

• A)-4
• B)3
• C)4
• D)5

3.2(3x + 1) - 5 = 3(x - 2) + 4 tenglamani yeching.

• A)$-\frac{2}{3}$
• B)$-\frac{1}{3}$
• C)$\frac{1}{3}$
• D)$\frac{4}{3}$

4.4x - 3(2x - 5) = 2x - 1 tenglamani yeching.

• A)3
• B)5
• C)-4
• D)4

5.7 - 2(x - 1) = 3(2 - x) + 2x tenglamani yeching.

• A)2
• B)4
• C)-3
• D)3

6.3x - 5 = x + 7 tenglamani yeching.

• A)5
• B)7
• C)6
• D)-6

7.2(x - 1) = x + 4 tenglamani yeching.

• A)7
• B)5
• C)-6
• D)6

8.5x + 3 = 2x + 15 tenglamani yeching.

• A)5
• B)-4
• C)3
• D)4

9.4 - x = 2x - 5 tenglamani yeching.

• A)2
• B)-3
• C)3
• D)4

10.3(x + 2) = 2x + 10 tenglamani yeching.

• A)5
• B)4
• C)-4
• D)3