We are given two linear equations to solve for $x$. The equations are: c) $2(3x-4) = -5(2x-7)$ d) $-4 - 3(5x - 6) = -4(-x - 1) + 6$

AlgebraLinear EquationsSolving EquationsAlgebraic Manipulation
2025/6/23

1. Problem Description

We are given two linear equations to solve for xx. The equations are:
c) 2(3x4)=5(2x7)2(3x-4) = -5(2x-7)
d) 43(5x6)=4(x1)+6-4 - 3(5x - 6) = -4(-x - 1) + 6

2. Solution Steps

c) Solve 2(3x4)=5(2x7)2(3x-4) = -5(2x-7)
Step 1: Distribute the constants on both sides of the equation.
6x8=10x+356x - 8 = -10x + 35
Step 2: Add 10x10x to both sides.
6x+10x8=10x+10x+356x + 10x - 8 = -10x + 10x + 35
16x8=3516x - 8 = 35
Step 3: Add 88 to both sides.
16x8+8=35+816x - 8 + 8 = 35 + 8
16x=4316x = 43
Step 4: Divide both sides by 1616.
x=4316x = \frac{43}{16}
d) Solve 43(5x6)=4(x1)+6-4 - 3(5x - 6) = -4(-x - 1) + 6
Step 1: Distribute the constants on both sides.
415x+18=4x+4+6-4 - 15x + 18 = 4x + 4 + 6
Step 2: Combine like terms on both sides.
15x+14=4x+10-15x + 14 = 4x + 10
Step 3: Subtract 4x4x from both sides.
15x4x+14=4x4x+10-15x - 4x + 14 = 4x - 4x + 10
19x+14=10-19x + 14 = 10
Step 4: Subtract 1414 from both sides.
19x+1414=1014-19x + 14 - 14 = 10 - 14
19x=4-19x = -4
Step 5: Divide both sides by 19-19.
x=419=419x = \frac{-4}{-19} = \frac{4}{19}

3. Final Answer

c) x=4316x = \frac{43}{16}
d) x=419x = \frac{4}{19}

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