What is x? 3x+43=100

x = 19

Step-by-step explanation:

3x+43 = 100

Subtract 43 from both sides.

3x+43 = 100

-43 - 43

Then, divide 3 to both sides.

3x = 57

3 3

x = 19

x = 19

Step-by-step explanation:

Solve for x:

3 x + 43 = 100

Subtract 43 from both sides:

3 x + (43 - 43) = 100 - 43

43 - 43 = 0:

3 x = 100 - 43

100 - 43 = 57:

3 x = 57

Divide both sides of 3 x = 57 by 3:

(3 x) / 3 = 57/3

3/3 = 1:

x = 57/3

The gcd of 57 and 3 is 3, so 57/3 = (3*19) / (3*1) = 3/3*19 = 19:

Answer: x = 19