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Which equation has the solution 
x=4 ?

5x-8=34

3x-7=38

2x+1=-9

4x-1=15

Which equation has the solution x=4 x=4 ?\newline5x8=34 5 x-8=34 \newline3x7=38 3 x-7=38 \newline2x+1=9 2 x+1=-9 \newline4x1=15 4 x-1=15

Full solution

Q. Which equation has the solution x=4 x=4 ?\newline5x8=34 5 x-8=34 \newline3x7=38 3 x-7=38 \newline2x+1=9 2 x+1=-9 \newline4x1=15 4 x-1=15
  1. Test x=4x=4: Test the solution x=4x=4 in the first equation 5x8=345x-8=34. Substitute xx with 44 and calculate. 5(4)8=345(4) - 8 = 34 208=3420 - 8 = 34 12=3412 = 34

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