Study

Solving Equations

0%

0 0 0

1+ 4 (2x + 1) = 5

x = 0

2x - 4 = -4 (x - 5)

x = 4

x-7 = 25

32

3x -30 =0

10

What is the second step to solve x/4 - 7 = 12 ?

Multiply by 4 to both sides

2 (x + 1) = 6x - 46

x = 12

What is the second step to solve 8 = n/7 - 3 ?

What is the second step to solve 8 = n/7 - 3 ?

7(x - 4) = - 7

3

inverse

opposite

inverse operation of multiplication

Division

What is the second step to solve 4 + 5x = 19 ?

Divide by 5 to both sides

2x + 9 = x - 4

-13

What is the second step to solve 8x - 11 = 34 ?

Divide by 8 to both sides

7 (2 - x) - 5= 30

x = -3

3x + 12 = -3

-5

x + 3 = 3 (11 - 3x)

x = 3

inverse operation of division

multiplication

12 (-2x - 9) = -12

x = -4

inverse operation of subtraction

addition

-210 = -7 (9x - 60)

x = 10

variable

A letter used to represent one or more numbers

17 (3x + 2) = -272

x = -6

What is the final step to solve 4(3x + 2) = 28 ?

Distribute 4

What is the first step to solve x/4 - 7 = 12 ?

Add 7 to both sides

5 (x - 6) = 3 + 8 (x + 9)

x = -35

3x + 4 = 25

7

12 (-x + 5) = 144

x = -7

3x = 2 (7 + 5x)

x = -2

-10 (-4x + 7) = 130

x = 5

4x + 5 = -2x -7

-2

5 - 3x = -10

5

What is the first step to solve 8 = n/7 - 3 ?

Add 3 to both sides

3x - 7 = 5x - 9

1

What is the first step to solve 8x - 11 = 34 ?

Add 11 to both sides

2 (3x + 1) = 7x - 5

x = 7

inverse operation of addition

subtraction

2 (x + 2) = 2

x = -1

equation

Uses an equal sign to show that two expressions are equal

What is the first step to solve 11(5 + 4x) = 55 ?

Distribute 11

5 (7x - 13) = -30

x = 1

What is the first step to solve 9(5x - 4) = 81 ?

Distribute 9

3 (5x - 2) + 2 = 26

x = 2

12x - 9 = 2x + 11

2

What is the first step to solve 4(3x + 2) = 28 ?

Distribute 4

5 (n + 2) = 3n

x = -5

5x - 7 = 13

4

5(x+2) = 40

6

What is the first step to solve 4 + 5x = 19 ?

Subtract 4 to both sides

5 (5 - x) = -5

x = 6

245 = -5 (4x - 17)

x = -8

9 (-4x - 29) = 99

x = -10