Advanced Algebra 1

SOLVING MULTI-STEP EQUATIONS

Section 1.4

Algebraic EquationsMultiplication with Subtraction

2x – 4 = 8+4+4

2x = 122 2x = 6

Algebraic EquationsMultiplication with Addition

5x + 10 = 80-10-10

5x = 705 5x = 14

Algebraic EquationsMultiplication with Subtraction

-3x – 4 = -82+4+4

-3x = -78-3 -3x = 26

Algebraic EquationsMultiplication with Addition

-2-2

x = 6

x = 18/2 = 9

23(HINT)

Reciprocal

32

32

Algebraic EquationsDivision with Addition

-2-2

= 6

x = 30

x5

(5) (5)

Algebraic Equations

C.L.T.

-20-20

10x = 6010

4x +6x + 20 = 80( )10x + 20 = 80

10

x = 6

Algebraic Equations

C.L.T.

-12-12

5x = 805

3x + 2x + 20 - 8 = 92

5x + 12 = 92

5

x = 16

( ) ( )

Solve:

+6 +6

Solve:

-9 -9

8 8

Algebraic Equations

C.L.T.

6y – 8 = -20

10y – (4y + 8) = -20

10y – 4y – 8 = -20

+8 +8

6y = -12

y = -2