3(x+7)=10x

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Solution for 3(x+7)=10x equation:


Simplifying
3(x + 7) = 10x

Reorder the terms:
3(7 + x) = 10x
(7 * 3 + x * 3) = 10x
(21 + 3x) = 10x

Solving
21 + 3x = 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
21 + 3x + -10x = 10x + -10x

Combine like terms: 3x + -10x = -7x
21 + -7x = 10x + -10x

Combine like terms: 10x + -10x = 0
21 + -7x = 0

Add '-21' to each side of the equation.
21 + -21 + -7x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -7x = 0 + -21
-7x = 0 + -21

Combine like terms: 0 + -21 = -21
-7x = -21

Divide each side by '-7'.
x = 3

Simplifying
x = 3

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