7(3x-21)=71x-31

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Solution for 7(3x-21)=71x-31 equation:


Simplifying
7(3x + -21) = 71x + -31

Reorder the terms:
7(-21 + 3x) = 71x + -31
(-21 * 7 + 3x * 7) = 71x + -31
(-147 + 21x) = 71x + -31

Reorder the terms:
-147 + 21x = -31 + 71x

Solving
-147 + 21x = -31 + 71x

Solving for variable 'x'.

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

Add '-71x' to each side of the equation.
-147 + 21x + -71x = -31 + 71x + -71x

Combine like terms: 21x + -71x = -50x
-147 + -50x = -31 + 71x + -71x

Combine like terms: 71x + -71x = 0
-147 + -50x = -31 + 0
-147 + -50x = -31

Add '147' to each side of the equation.
-147 + 147 + -50x = -31 + 147

Combine like terms: -147 + 147 = 0
0 + -50x = -31 + 147
-50x = -31 + 147

Combine like terms: -31 + 147 = 116
-50x = 116

Divide each side by '-50'.
x = -2.32

Simplifying
x = -2.32

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