First you expand the brackets:
3x - 27 = 30
And then you can solve:
3x - 27 = 30
+ 27
3x = 57
÷ 3
x = 19
Hope this helps!
Answer:
x=15
Step-by-step explanation:
Since 13+6+2x-18= 4x-29, use this equation.
Combine like terms:
1+2x= 4x-29
-1 -1
2x= 4x-30
-4x -4x
x=15
Hope this helps! :)
Answer:
18 and 42 are both multiples of 6, and when I add them, I also get a multiple of 6:
18+42=60.
Explain to Nina why adding two multiples of 6 will always result in another multiple of 6.
Step-by-step explanation:
18 and 42 are both multiples of 6 which means 6 is a factor of both numbers.
6⋅3=18
6⋅7=42
Solution_1_82d819495d2abc4f1edf4f9286349041
When you add 18 and 42, you can use the distributive property to show that the sum is also a multiple of 6:
6⋅3+6⋅7=6⋅(3+7)=6⋅10
Answer:
7.9
Step-by-step explanation:
