Question

Solve for x: 2(x + 1) – 3(x + 1) + 4(2x + 1) = 17 and also cross check your result.

Answer 1

2x+2-3x-3+8x+4=17
7x+3=17
7x=14
x=2

Answer 2

Answer:

x=2

Step-by-step explanation:

2(x+1)-3(x+1)+4(2x+1)=17

→(x+1)(2-3)+(8x+4)=17

→8x-x+4-1=17

→7x=17-3

→x=14/7=2

Checking:-

LHS=2(x+1)-3(x+1)+4(2x+1)

[putting the value of x = 2]

=2(2+1)-3(2+1)+4(2×2+1)

=(2+1)(2-3)+(16+4)

=16+4-3

=17

RHS=17

So, LHS=RHS (verified)

Hope it helps you...

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