-10(7x+9)+2(10x+4)=

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Solution for -10(7x+9)+2(10x+4)= equation:


Simplifying
-10(7x + 9) + 2(10x + 4) = 0

Reorder the terms:
-10(9 + 7x) + 2(10x + 4) = 0
(9 * -10 + 7x * -10) + 2(10x + 4) = 0
(-90 + -70x) + 2(10x + 4) = 0

Reorder the terms:
-90 + -70x + 2(4 + 10x) = 0
-90 + -70x + (4 * 2 + 10x * 2) = 0
-90 + -70x + (8 + 20x) = 0

Reorder the terms:
-90 + 8 + -70x + 20x = 0

Combine like terms: -90 + 8 = -82
-82 + -70x + 20x = 0

Combine like terms: -70x + 20x = -50x
-82 + -50x = 0

Solving
-82 + -50x = 0

Solving for variable 'x'.

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

Add '82' to each side of the equation.
-82 + 82 + -50x = 0 + 82

Combine like terms: -82 + 82 = 0
0 + -50x = 0 + 82
-50x = 0 + 82

Combine like terms: 0 + 82 = 82
-50x = 82

Divide each side by '-50'.
x = -1.64

Simplifying
x = -1.64

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