7(-9-7x)=378

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Solution for 7(-9-7x)=378 equation: 


Simplifying
7(-9 + -7x) = 378
(-9 * 7 + -7x * 7) = 378
(-63 + -49x) = 378

Solving
-63 + -49x = 378

Solving for variable 'x'.

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

Add '63' to each side of the equation.
-63 + 63 + -49x = 378 + 63

Combine like terms: -63 + 63 = 0
0 + -49x = 378 + 63
-49x = 378 + 63

Combine like terms: 378 + 63 = 441
-49x = 441

Divide each side by '-49'.
x = -9

Simplifying
x = -9

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