4 + 3x = 5
Subtract 4 from each side:
3x = 1
Divide each side by 3 :
x = 1/3
4 + 3 x = 5 ∣ − 4 4 − 4 + 3 x = 5 − 4 3 x = 1 / : 3 x = 3 1
To solve the equation 4 + 3 x = 5 , first subtract 4 from both sides to get 3 x = 1 , and then divide both sides by 3 to find x = 3 1 .
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