7=x this is for the first one but you have to 1
3
=
2
1
1
3
=
x
21
31=21x
2
1
⋅
1
3
=
2
1
⋅
2
1
21
⋅
1
3
=
21
⋅
x
21
21⋅31=21⋅21x
Multiply the numbers
Cancel multiplied terms that are in the denominator
7
=
2
1
⋅
2
1
7
=
21
⋅
x
21
7=21⋅21x
7
=
7
=
x
7=x
7
=
7
=
x
7=x
Step-by-step explanation:
117+114= 231
360-231= 129
Now find two numbers that add up to 129
Answer:
4
Step-by-step explanation:
70 x 4 = 280 but a triangle's area is halved so 140
Three x plus fifteen equals twenty seven
3x + 15 = 27x
Im wrong arnt I
