Gleichungen - Einstieg

Is this an equation? 2x+15a-7

• Yes

• No

• Maybe

• I don't know

Ist das eine Gleichung? 3x+4b=14-c

• Ja

• Nein

• Vielleicht

• Ich weiß nicht

Is this an equation? x=4

• Yes

• No

• Maybe

• I don't know

Lets assume: 3x+9=1 ; What is 3x?

• a variable

• a term

• an equation

• 89

x + 9 = 16

• x = 7
• x = 25
• x = 5
• x = 9

2 x = 12

• x = 10
• x = 24
• x = 7
• x = 6

100 = x : 4

• x = 25
• x = 400
• x = 96
• x = 104

2x + 3 = 7

• 4
• 5
• 2
• 10