Answer:
3 ???
Step-by-step explanation:
the height of the poster must be multiplied by the ratio which is 1 to 2.5 which is 40 cm.
Subtract 4x from both sides
4x +2 = 7x - 13 would then simplify to
3x - 13 = 2 ( you can switch the problem around as long as you dont switch the variables around )
then you have to + 13 which simplifies to
3x = 15
then you divide by 3 which equals
x=5
Answer:
Attach it plz or I can't help
Step-by-step explanation:
It is quite simple actually since it is simple division with the negative rules.
Just simplify the problem and use the negatives to determine if it is positive or negative. (two negatives equal a positive and one negative equals a negative)