-30x+210(-4)=-660

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Solution for -30x+210(-4)=-660 equation:


Simplifying
-30x + 210(-4) = -660

Multiply 210 * -4
-30x + -840 = -660

Reorder the terms:
-840 + -30x = -660

Solving
-840 + -30x = -660

Solving for variable 'x'.

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

Add '840' to each side of the equation.
-840 + 840 + -30x = -660 + 840

Combine like terms: -840 + 840 = 0
0 + -30x = -660 + 840
-30x = -660 + 840

Combine like terms: -660 + 840 = 180
-30x = 180

Divide each side by '-30'.
x = -6

Simplifying
x = -6

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