CBSE Class 7 Answered
solve 2 (x-5)+3(x-2)=8+7(x-4) and verify your answer by substitution
Asked by atoofa.suhail.2012.7a | 29 Jul, 2020, 11:26: AM
Expert Answer
To solve: 2(x-5)+3(x-2)=8+7(x-4)
2(x-5)+3(x-2)=8+7(x-4)
2x-10+3x-6 = 8+7x-28
5x-16 = 7x-20
7x-5x = 20-16
2x = 4
x = 2
Let's verify this
Take x=2
LHS = 2(2-5)+3(2-2) = 2(-3)+3(0) = -6+0 = -6
RHS = 8+7(2-4) = 8 + 7(-2) = 8 - 14 = -6
Hence, verified.
Answered by Renu Varma | 29 Jul, 2020, 12:04: PM
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