Its simple. You collect like terms and put them on one side of the equation
Answer:
15 student
Step-by-step explanation:
35 - 21
15
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Answer:
40 girls
Step By Step Explanation:
assume boys = y girls = x
y = 1/2x + 10
y = 30
30 = 1/2x + 10
1/2x = 20
x = 20 *2 = 40
girls is 40 boys is 30
Answer:
Step-by-step explanation:
5×4+5×3
20+15
25
