3x+x=12 also check after solving this equation
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Answer:
x = 3
Step-by-step explanation:
Given,
3x + x = 12
=} 4x = 12
=} x = 12/4
=} x = 3
now keep the value of x in the equation for verification.
=} 3x+x = 12
LHS = 3(3) + 3
LHS = 12
LHS = RHS
therefore, it is verified that x =3
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