-7(3x-7)+21=50

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Solution for -7(3x-7)+21=50 equation:


Simplifying
-7(3x + -7) + 21 = 50

Reorder the terms:
-7(-7 + 3x) + 21 = 50
(-7 * -7 + 3x * -7) + 21 = 50
(49 + -21x) + 21 = 50

Reorder the terms:
49 + 21 + -21x = 50

Combine like terms: 49 + 21 = 70
70 + -21x = 50

Solving
70 + -21x = 50

Solving for variable 'x'.

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

Add '-70' to each side of the equation.
70 + -70 + -21x = 50 + -70

Combine like terms: 70 + -70 = 0
0 + -21x = 50 + -70
-21x = 50 + -70

Combine like terms: 50 + -70 = -20
-21x = -20

Divide each side by '-21'.
x = 0.9523809524

Simplifying
x = 0.9523809524

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