3x+2(x+2)=20-(2x-5) solve and verify it
Answers
Answered by
2
Answer:
x=3
Step-by-step explanation:
3x+2(x+2)=20-(2x-5)
3x+2x+4=20-2x+5
5x+4=25-2x
5x+2x=25-4
7x=21
x=21/7
x=3
Verification:
3x+2(x+2)=20-(2x-5)
3×3+(2×(3+2))=20-(2×3-5)
9+(6+4)=20-(6-5)
9+10=20-(1)
19=20-1
19=19
Hence,LHS=RHS
Answered by
1
SOLUTION
➠3x+2(x+2)=20-(2x-5)
➠3x + 2x + 4 = 20 - 2x + 5
➠5x + 2x = 25 - 4
➠7x = 21
➠x =
➠
VERIFICATION
3x+2(x+2)=20-(2x-5) [x= 3]
LHS:
➠3(3) +2(3+2)
➠ 9 + 2(5)
➠ 9 + 10
➠ 19
RHS :
➠20-(2x-5)
➠20-(2(3)-5)
➠20- (6-5)
➠20- 1
➠19
hence verified .
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