71(3x-21)=90

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Solution for 71(3x-21)=90 equation:


Simplifying
71(3x + -21) = 90

Reorder the terms:
71(-21 + 3x) = 90
(-21 * 71 + 3x * 71) = 90
(-1491 + 213x) = 90

Solving
-1491 + 213x = 90

Solving for variable 'x'.

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

Add '1491' to each side of the equation.
-1491 + 1491 + 213x = 90 + 1491

Combine like terms: -1491 + 1491 = 0
0 + 213x = 90 + 1491
213x = 90 + 1491

Combine like terms: 90 + 1491 = 1581
213x = 1581

Divide each side by '213'.
x = 7.422535211

Simplifying
x = 7.422535211

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