3(10x+21)=3(x+2)

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Solution for 3(10x+21)=3(x+2) equation:


Simplifying
3(10x + 21) = 3(x + 2)

Reorder the terms:
3(21 + 10x) = 3(x + 2)
(21 * 3 + 10x * 3) = 3(x + 2)
(63 + 30x) = 3(x + 2)

Reorder the terms:
63 + 30x = 3(2 + x)
63 + 30x = (2 * 3 + x * 3)
63 + 30x = (6 + 3x)

Solving
63 + 30x = 6 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
63 + 30x + -3x = 6 + 3x + -3x

Combine like terms: 30x + -3x = 27x
63 + 27x = 6 + 3x + -3x

Combine like terms: 3x + -3x = 0
63 + 27x = 6 + 0
63 + 27x = 6

Add '-63' to each side of the equation.
63 + -63 + 27x = 6 + -63

Combine like terms: 63 + -63 = 0
0 + 27x = 6 + -63
27x = 6 + -63

Combine like terms: 6 + -63 = -57
27x = -57

Divide each side by '27'.
x = -2.111111111

Simplifying
x = -2.111111111

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