Question

the equation 3x + 5 = 4x + 7, then x =​

Answer 1

Answer:

3x + 5 = 4x + 7

3x-4x=7-5

-x=2

x=-2

hope it will be help full to you

Answer 2

Answer:

x = -2

hope it helps.

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Step-by-step explanation:

3x + 5 = 4x +7

3x = 4x + 7 - 5 (transpose 5 to the other side (sign changes))

3x = 4x +2 (solve right hand side)

3x - 4x = 2 (transpose 4x to the other side)

-1x = 2 (solve left hand side)

-x = 2 (solve left hand side)

x = -2 (multiply both by -1 to make x positive)