x(.8)+90(.1)=.7

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Solution for x(.8)+90(.1)=.7 equation:


Simplifying
x(0.8) + 90(0.1) = 0.7

Reorder the terms for easier multiplication:
0.8x + 90(0.1) = 0.7

Multiply 90 * 0.1
0.8x + 9 = 0.7

Reorder the terms:
9 + 0.8x = 0.7

Solving
9 + 0.8x = 0.7

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 0.8x = 0.7 + -9

Combine like terms: 9 + -9 = 0
0 + 0.8x = 0.7 + -9
0.8x = 0.7 + -9

Combine like terms: 0.7 + -9 = -8.3
0.8x = -8.3

Divide each side by '0.8'.
x = -10.375

Simplifying
x = -10.375

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