7(3x+21)=210

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Solution for 7(3x+21)=210 equation:


Simplifying
7(3x + 21) = 210

Reorder the terms:
7(21 + 3x) = 210
(21 * 7 + 3x * 7) = 210
(147 + 21x) = 210

Solving
147 + 21x = 210

Solving for variable 'x'.

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

Add '-147' to each side of the equation.
147 + -147 + 21x = 210 + -147

Combine like terms: 147 + -147 = 0
0 + 21x = 210 + -147
21x = 210 + -147

Combine like terms: 210 + -147 = 63
21x = 63

Divide each side by '21'.
x = 3

Simplifying
x = 3

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