Question

4х-х=8,1 3у+5у=9,6 а+а+8,154=32 (х-5,46)*2=9 (у+0,5):2=1,57

Answer 1

4x-x=8,1
3x=8,1
X=2,7
3y+5y=9,6
8y=9,6
y=1,2

Answer 2

4x-x=8,1
3x=8,1
X=2,7
3y+5y=9,6
8y=9,6
y=1,2

Answer 3

To solve the equations, let's simplify and find the values of x, y, and a step by step:

1. 4x - x = 8.1 Combine the x terms: 3x = 8.1 Divide both sides by 3 to solve for x: x = 8.1 / 3 x ≈ 2.7

2. 3y + 5y = 9.6 Combine the y terms: 8y = 9.6 Divide both sides by 8 to solve for y: y = 9.6 / 8 y = 1.2

3. a + a + 8.154 = 32 Combine the a terms: 2a + 8.154 = 32 Subtract 8.154 from both sides: 2a = 32 - 8.154 2a ≈ 23.846 Divide both sides by 2 to solve for a: a ≈ 23.846 / 2 a ≈ 11.923

4. (x - 5.46) * 2 = 9 Divide both sides by 2: x - 5.46 = 9 / 2 x - 5.46 ≈ 4.5 Add 5.46 to both sides to solve for x: x ≈ 4.5 + 5.46 x ≈ 9.96

5. (y + 0.5) / 2 = 1.57 Multiply both sides by 2: y + 0.5 ≈ 1.57 * 2 y + 0.5 ≈ 3.14 Subtract 0.5 from both sides to solve for y: y ≈ 3.14 - 0.5 y ≈ 2.64

So, the solutions to the given equations are approximately: x ≈ 2.7, y ≈ 1.2, a ≈ 11.923