0.4x+8.7=6.9

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Solution for 0.4x+8.7=6.9 equation:


Simplifying
0.4x + 8.7 = 6.9

Reorder the terms:
8.7 + 0.4x = 6.9

Solving
8.7 + 0.4x = 6.9

Solving for variable 'x'.

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

Add '-8.7' to each side of the equation.
8.7 + -8.7 + 0.4x = 6.9 + -8.7

Combine like terms: 8.7 + -8.7 = 0.0
0.0 + 0.4x = 6.9 + -8.7
0.4x = 6.9 + -8.7

Combine like terms: 6.9 + -8.7 = -1.8
0.4x = -1.8

Divide each side by '0.4'.
x = -4.5

Simplifying
x = -4.5

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