0.8(x-1.8)+0.3x=0.9(x-0.7)-0.07

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Solution for 0.8(x-1.8)+0.3x=0.9(x-0.7)-0.07 equation:


Simplifying
0.8(x + -1.8) + 0.3x = 0.9(x + -0.7) + -0.07

Reorder the terms:
0.8(-1.8 + x) + 0.3x = 0.9(x + -0.7) + -0.07
(-1.8 * 0.8 + x * 0.8) + 0.3x = 0.9(x + -0.7) + -0.07
(-1.44 + 0.8x) + 0.3x = 0.9(x + -0.7) + -0.07

Combine like terms: 0.8x + 0.3x = 1.1x
-1.44 + 1.1x = 0.9(x + -0.7) + -0.07

Reorder the terms:
-1.44 + 1.1x = 0.9(-0.7 + x) + -0.07
-1.44 + 1.1x = (-0.7 * 0.9 + x * 0.9) + -0.07
-1.44 + 1.1x = (-0.63 + 0.9x) + -0.07

Reorder the terms:
-1.44 + 1.1x = -0.63 + -0.07 + 0.9x

Combine like terms: -0.63 + -0.07 = -0.7
-1.44 + 1.1x = -0.7 + 0.9x

Solving
-1.44 + 1.1x = -0.7 + 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
-1.44 + 1.1x + -0.9x = -0.7 + 0.9x + -0.9x

Combine like terms: 1.1x + -0.9x = 0.2x
-1.44 + 0.2x = -0.7 + 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
-1.44 + 0.2x = -0.7 + 0.0
-1.44 + 0.2x = -0.7

Add '1.44' to each side of the equation.
-1.44 + 1.44 + 0.2x = -0.7 + 1.44

Combine like terms: -1.44 + 1.44 = 0.00
0.00 + 0.2x = -0.7 + 1.44
0.2x = -0.7 + 1.44

Combine like terms: -0.7 + 1.44 = 0.74
0.2x = 0.74

Divide each side by '0.2'.
x = 3.7

Simplifying
x = 3.7

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