Solve for x. 3 x + 2 ( 1 − 3 x ) = 0 3x+2\left(1-3x\right)=0 3 x + 2 ( 1 − 3 x ) = 0

2 = 0 2=0 2 = 0 doesn't make sense

2 = 3 x → 2=3x\ \rightarrow 2 = 3 x → no solution

4 9 ÷ ? = − 8 15 \frac{4}{9}\div?\ =\ -\frac{8}{15} 9 4 ÷ ? = − 1 5 8

− 32 45 -\frac{32}{45} − 4 5 3 2

− 9 10 -\frac{9}{10} − 1 0 9

Linear equation in one variable has

More than one variable with any power

Solve for x. 3 x + 2 ( 1 − 3 x ) = 0 3x+2\left(1-3x\right)=0 3 x + 2 ( 1 − 3 x ) = 0

2 = 0 2=0 2 = 0 doesn't make sense

2 = 3 x → 2=3x\ \rightarrow 2 = 3 x → no solution

Solve for x. 3 x + 2 ( 1 − 3 x ) = 0 3x+2\left(1-3x\right)=0 3 x + 2 ( 1 − 3 x ) = 0

2 = 0 2=0 2 = 0 doesn't make sense

2 = 3 x → 2=3x\ \rightarrow 2 = 3 x → no solution

Linear Equation In One Variable Class 7

Authored by Amit Tripathi

Mathematics

7th Grade

Used 4+ times

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is not a linear equation?

3x - 1 = - 2x

xy - 3 = x

x + 2y = 10

(x-5) ⁄ 7 = (x-2) ⁄ 3

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Construct linear equation for the following statement:
Two numbers are in the ratio 5 : 7 and sum of the numbers is 120

5x + 7x = 120

5x - 7x =120

x ⁄ 5 + x ⁄ 7 = 120

None of the above

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Identify two consecutive multiples of 3 whose sum is 57.

24 and 33

27 and 30

21 and 36

None of the above

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve for x. $3x+2\left(1-3x\right)=0$

$2=0$ doesn't make sense

$x=1$

$x=\frac{2}{3}$

$2=3x\ \rightarrow$ no solution

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve.
5(y + 4) = 4(y + 5)

no solution

All real numbers

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve:
2(4x - 3) - 8 = 4 + 2x

x = 5/3

x = 3

x = 1

x = 2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve the following equation: $0.25\left(4x-5\right)=0.75x+8$

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

$\frac{4}{9}\div?\ =\ -\frac{8}{15}$

$-\frac{32}{45}$

$-\frac{8}{5}$

$-\frac{9}{10}$

$-\frac{5}{6}$

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Linear Equation In One Variable Class 7

Which of the following is not a linear equation?

Construct linear equation for the following statement:
Two numbers are in the ratio 5 : 7 and sum of the numbers is 120