Math  /  Algebra

Question0.8+0.3(23x)=1.4-0.8+0.3(2-3 x)=1.4

Studdy Solution
Check the solution by substituting x1.7778 x \approx -1.7778 back into the original equation:
0.8+0.3(23(1.7778))1.4 -0.8 + 0.3(2 - 3(-1.7778)) \approx 1.4
Calculate the expression inside the parentheses:
2+5.33347.3334 2 + 5.3334 \approx 7.3334
Calculate the entire left-hand side:
0.8+0.3×7.33340.8+2.21.4 -0.8 + 0.3 \times 7.3334 \approx -0.8 + 2.2 \approx 1.4
Both sides are approximately equal, confirming the solution.
The solution is:
x1.7778 x \approx -1.7778

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