40-9x=-2-3(7+10x)

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Solution for 40-9x=-2-3(7+10x) equation: 


Simplifying
40 + -9x = -2 + -3(7 + 10x)
40 + -9x = -2 + (7 * -3 + 10x * -3)
40 + -9x = -2 + (-21 + -30x)

Combine like terms: -2 + -21 = -23
40 + -9x = -23 + -30x

Solving
40 + -9x = -23 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
40 + -9x + 30x = -23 + -30x + 30x

Combine like terms: -9x + 30x = 21x
40 + 21x = -23 + -30x + 30x

Combine like terms: -30x + 30x = 0
40 + 21x = -23 + 0
40 + 21x = -23

Add '-40' to each side of the equation.
40 + -40 + 21x = -23 + -40

Combine like terms: 40 + -40 = 0
0 + 21x = -23 + -40
21x = -23 + -40

Combine like terms: -23 + -40 = -63
21x = -63

Divide each side by '21'.
x = -3

Simplifying
x = -3

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