A branch of mathematics that uses variables is algebra
Your answer would be -18m-6n-30
Answer:
y = 3
Step-by-step explanation:
Let's start with the left side of the equation.
5(y-2)-2= 2(y+1)-5
5y-10-2= 2(y+1)-5
Now let's solve the right side
5y-10-2= 2y+2-5
5y-12= 2y-3
-2y -2y
3y-12=-3
+12 +12
3y = 9
3y/3 = 9/3
y = 3
hope this helps!
Answer:idk the answer just doing this for the B
Step-by-step explanation:
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The answer is -2.5. this is how you work it out.
21.4 + (-23.9) = -5/2 = -2.5
