First, you need to get the variable by itself.
Divide three by both side.
c = -7
Brainliest answer? :)
Answer:
I am not sure but I think its 42 reason is multiplication I might be wrong if its an exam or test or quiz dont use this answer
Step-by-step explanation:
Step-by-step explanation:
1+1=78
90/3 parts of silver = 30 times multiplied by
tin = 12 × 30 = 360g
lead = 8 × 30 = 240g
12.5 / 23 = 0.5434 parts per metal
tin = 12 × 0.5434 = 6.5kg
lead = 8 × 0.5434 = 4.5kg
silver = 3 × 0.5434 = 1.5kg
