21x+3(5*7)=71

Solution for 21x+3(5*7)=71 equation:

Simplifying
21x + 3(5 * 7) = 71

Multiply 5 * 7
21x + 3(35) = 71

Multiply 3 * 35
21x + 105 = 71

Reorder the terms:
105 + 21x = 71

Solving
105 + 21x = 71

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-105' to each side of the equation.
105 + -105 + 21x = 71 + -105

Combine like terms: 105 + -105 = 0
0 + 21x = 71 + -105
21x = 71 + -105

Combine like terms: 71 + -105 = -34
21x = -34

Divide each side by '21'.
x = -1.619047619

Simplifying
x = -1.619047619