21x-7=-10-30

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Solution for 21x-7=-10-30 equation:


Simplifying
21x + -7 = -10 + -30

Reorder the terms:
-7 + 21x = -10 + -30

Combine like terms: -10 + -30 = -40
-7 + 21x = -40

Solving
-7 + 21x = -40

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 21x = -40 + 7

Combine like terms: -7 + 7 = 0
0 + 21x = -40 + 7
21x = -40 + 7

Combine like terms: -40 + 7 = -33
21x = -33

Divide each side by '21'.
x = -1.571428571

Simplifying
x = -1.571428571

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