4[7-(-2x-9)]=40x+208

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Solution for 4[7-(-2x-9)]=40x+208 equation:


Simplifying
4[7 + -1(-2x + -9)] = 40x + 208

Reorder the terms:
4[7 + -1(-9 + -2x)] = 40x + 208
4[7 + (-9 * -1 + -2x * -1)] = 40x + 208
4[7 + (9 + 2x)] = 40x + 208

Combine like terms: 7 + 9 = 16
4[16 + 2x] = 40x + 208
[16 * 4 + 2x * 4] = 40x + 208
[64 + 8x] = 40x + 208

Reorder the terms:
64 + 8x = 208 + 40x

Solving
64 + 8x = 208 + 40x

Solving for variable 'x'.

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

Add '-40x' to each side of the equation.
64 + 8x + -40x = 208 + 40x + -40x

Combine like terms: 8x + -40x = -32x
64 + -32x = 208 + 40x + -40x

Combine like terms: 40x + -40x = 0
64 + -32x = 208 + 0
64 + -32x = 208

Add '-64' to each side of the equation.
64 + -64 + -32x = 208 + -64

Combine like terms: 64 + -64 = 0
0 + -32x = 208 + -64
-32x = 208 + -64

Combine like terms: 208 + -64 = 144
-32x = 144

Divide each side by '-32'.
x = -4.5

Simplifying
x = -4.5

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