how to solve these sums 1) 6y=21-y 2)-4(2-x)=12 3)11m=42+4m - Maths - Algebra

Question

how to solve these sums?
1) 6y=21-y
2)-4(2-x)=12
3)11m=42+4m

Priyanka Kedia · Accepted Answer

(1)6y=21-y⇒6y+y=21⇒7y=21⇒y=217⇒y=3(2)-4(2-x)=12⇒-8+4x=12⇒4x=12+8⇒4x=20⇒x=204⇒x=5(3)11m=42+4m⇒11m-4m=42⇒7m=42⇒m=427⇒m=6

how to solve these sums? 1) 6y=21-y 2)-4(2-x)=12 3)11m=42+4m