Question

solve and check by substituting if your answer is correct
$3x - 1 + 4x = 8$
​

Answer 1

Answer:

x = 7

Step-by-step explanation:

Solve : -x+7 = 0

Subtract 7 from both sides of the equation :

-x = -7

Multiply both sides of the equation by (-1) : x = 7

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Answer 2

Step-by-step explanation:

3x - 1 + 4x = 8

7x = 8+1

7x = 9

x = 9/7

verify-

3(9/7)-1+4(9/7)=8

27-7+36/7 = 8

56/7 = 8

8= 8

LHS = RHS