5x+21(x-2)=348

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Solution for 5x+21(x-2)=348 equation:


Simplifying
5x + 21(x + -2) = 348

Reorder the terms:
5x + 21(-2 + x) = 348
5x + (-2 * 21 + x * 21) = 348
5x + (-42 + 21x) = 348

Reorder the terms:
-42 + 5x + 21x = 348

Combine like terms: 5x + 21x = 26x
-42 + 26x = 348

Solving
-42 + 26x = 348

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 26x = 348 + 42

Combine like terms: -42 + 42 = 0
0 + 26x = 348 + 42
26x = 348 + 42

Combine like terms: 348 + 42 = 390
26x = 390

Divide each side by '26'.
x = 15

Simplifying
x = 15

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