0.65x+.05(6-x)=.10(-21)

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Solution for 0.65x+.05(6-x)=.10(-21) equation:


Simplifying
0.65x + 0.05(6 + -1x) = 0.10(-21)
0.65x + (6 * 0.05 + -1x * 0.05) = 0.10(-21)
0.65x + (0.3 + -0.05x) = 0.10(-21)

Reorder the terms:
0.3 + 0.65x + -0.05x = 0.10(-21)

Combine like terms: 0.65x + -0.05x = 0.6x
0.3 + 0.6x = 0.10(-21)

Multiply 0.10 * -21
0.3 + 0.6x = -2.1

Solving
0.3 + 0.6x = -2.1

Solving for variable 'x'.

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

Add '-0.3' to each side of the equation.
0.3 + -0.3 + 0.6x = -2.1 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + 0.6x = -2.1 + -0.3
0.6x = -2.1 + -0.3

Combine like terms: -2.1 + -0.3 = -2.4
0.6x = -2.4

Divide each side by '0.6'.
x = -4

Simplifying
x = -4

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