7(3x-1)+4(10x-3x)-2(4x+4)=-1

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Solution for 7(3x-1)+4(10x-3x)-2(4x+4)=-1 equation:


Simplifying
7(3x + -1) + 4(10x + -3x) + -2(4x + 4) = -1

Reorder the terms:
7(-1 + 3x) + 4(10x + -3x) + -2(4x + 4) = -1
(-1 * 7 + 3x * 7) + 4(10x + -3x) + -2(4x + 4) = -1
(-7 + 21x) + 4(10x + -3x) + -2(4x + 4) = -1

Combine like terms: 10x + -3x = 7x
-7 + 21x + 4(7x) + -2(4x + 4) = -1

Remove parenthesis around (7x)
-7 + 21x + 4 * 7x + -2(4x + 4) = -1

Multiply 4 * 7
-7 + 21x + 28x + -2(4x + 4) = -1

Reorder the terms:
-7 + 21x + 28x + -2(4 + 4x) = -1
-7 + 21x + 28x + (4 * -2 + 4x * -2) = -1
-7 + 21x + 28x + (-8 + -8x) = -1

Reorder the terms:
-7 + -8 + 21x + 28x + -8x = -1

Combine like terms: -7 + -8 = -15
-15 + 21x + 28x + -8x = -1

Combine like terms: 21x + 28x = 49x
-15 + 49x + -8x = -1

Combine like terms: 49x + -8x = 41x
-15 + 41x = -1

Solving
-15 + 41x = -1

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 41x = -1 + 15

Combine like terms: -15 + 15 = 0
0 + 41x = -1 + 15
41x = -1 + 15

Combine like terms: -1 + 15 = 14
41x = 14

Divide each side by '41'.
x = 0.3414634146

Simplifying
x = 0.3414634146

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