1242=9(-7x+40)

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Solution for 1242=9(-7x+40) equation:


Simplifying
1242 = 9(-7x + 40)

Reorder the terms:
1242 = 9(40 + -7x)
1242 = (40 * 9 + -7x * 9)
1242 = (360 + -63x)

Solving
1242 = 360 + -63x

Solving for variable 'x'.

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

Add '63x' to each side of the equation.
1242 + 63x = 360 + -63x + 63x

Combine like terms: -63x + 63x = 0
1242 + 63x = 360 + 0
1242 + 63x = 360

Add '-1242' to each side of the equation.
1242 + -1242 + 63x = 360 + -1242

Combine like terms: 1242 + -1242 = 0
0 + 63x = 360 + -1242
63x = 360 + -1242

Combine like terms: 360 + -1242 = -882
63x = -882

Divide each side by '63'.
x = -14

Simplifying
x = -14

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