Answer:
3
Step-by-step explanation:
Get rid of fractions:
Multiply the whole equation, i.e. all terms both sides of the equals sign, by the denominator or the lowest common multiple of all denominators if there are multiple fractions in the equation;
In this case, only one term is a fraction and therefore has a denominator (i.e. 7), so it is this number we multiply the equation by to get:
7(y) = 7(-³/₇.x) + 7(3)
7y = -3x + 21
3x + 7y = 21
Sorry, I'm going to need a more accurate question. How many kids are there in total?
Answer:
for the first one do 15 divided by 10 and the second one 18 divided by 8.
Step-by-step explanation:
170
Because you have to add
120 + 50 = 170
