Question

I am from grade 7th.

This question is of linear equations.

Q. 11y=77
Q.3(x+4)=21
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Answer 1

Answer:

a. 11y = 77

first shift 11 to rhs

y=11/77

y=7

Answer 2

Answer:

1St answer will be 7 and 2nd answer will be 3.

Step-by-step explanation:

1st question:11y=77 so y=77/11=7.

2nd question:3x+12=21 so 3x=21-12 so x=9/3=3.