Solving All Equations and Substitution

One-Step Equations

50

x + 5 = 11

x = 6

100

5x = -80

x= 16

150

4 = -8 + x

x= 12

200

3 = -2 – x

x= -5

250

-16 = x+2

x= -18

Two-Step Equations

50

6x – 13 = 11

x= 4

100

3x + 5 = 14

x= 3

150

(x/2) - 4 =-8

x= -8

200

(x/2) + 12 =10

x= -4

250

((2x)/3)-7=-3

x= 6

Mixed Equations

50

Solving Equations

x - 2 = 6

x = 8

100

Solving Equations

-5p + 1 = 6

p = -1

150

Solving Equations

2n+10 = 4

n = -3

200

Solving Equations

5(m-3) = 4

m = 19/5

250

Solving Equations

3(𝑥 − 9) = −3

x = 8

Substitution

50

if a = 3 and b = 7

Evaluate:

a + b

10

100

if a = -3 and b = 5

Evaluate:

ab

-15

150

if a = 5 and b = -2 and c = 3

Evaluate:

2ac + b

28

200

if a = 2.5 and b = 7 and c = -1

Evaluate:

ac + b²

a= -9

250

if a = 3 and b = 7 and c = -4

Evaluate:

c(a² - 12) + abc

-72

Equations with Variables on Both Sides

50

4x - 2 = 3x + 5

x = 7

100

2(x - 4) = 5x + 4

x = -4

150

6x + 3 - 2x = 2x + 11

x = 4

200

9 - x = 6 + 2x

x = 1

250

6x - 15 + 4x = 5(2x - 3)

ALL REAL NUMBERS