.8x+.7(120)=.4(136)

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Solution for .8x+.7(120)=.4(136) equation:


Simplifying
0.8x + 0.7(120) = 0.4(136)

Multiply 0.7 * 120
0.8x + 84 = 0.4(136)

Reorder the terms:
84 + 0.8x = 0.4(136)

Multiply 0.4 * 136
84 + 0.8x = 54.4

Solving
84 + 0.8x = 54.4

Solving for variable 'x'.

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

Add '-84' to each side of the equation.
84 + -84 + 0.8x = 54.4 + -84

Combine like terms: 84 + -84 = 0
0 + 0.8x = 54.4 + -84
0.8x = 54.4 + -84

Combine like terms: 54.4 + -84 = -29.6
0.8x = -29.6

Divide each side by '0.8'.
x = -37

Simplifying
x = -37

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