5x-3(-7)=1

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Solution for 5x-3(-7)=1 equation: 


Simplifying
5x + -3(-7) = 1

Multiply -3 * -7
5x + 21 = 1

Reorder the terms:
21 + 5x = 1

Solving
21 + 5x = 1

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 5x = 1 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = 1 + -21
5x = 1 + -21

Combine like terms: 1 + -21 = -20
5x = -20

Divide each side by '5'.
x = -4

Simplifying
x = -4

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