4(9a+10b)-(10a-7b)=

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Solution for 4(9a+10b)-(10a-7b)= equation:


Simplifying
4(9a + 10b) + -1(10a + -7b) = 0
(9a * 4 + 10b * 4) + -1(10a + -7b) = 0
(36a + 40b) + -1(10a + -7b) = 0
36a + 40b + (10a * -1 + -7b * -1) = 0
36a + 40b + (-10a + 7b) = 0

Reorder the terms:
36a + -10a + 40b + 7b = 0

Combine like terms: 36a + -10a = 26a
26a + 40b + 7b = 0

Combine like terms: 40b + 7b = 47b
26a + 47b = 0

Solving
26a + 47b = 0

Solving for variable 'a'.

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

Add '-47b' to each side of the equation.
26a + 47b + -47b = 0 + -47b

Combine like terms: 47b + -47b = 0
26a + 0 = 0 + -47b
26a = 0 + -47b
Remove the zero:
26a = -47b

Divide each side by '26'.
a = -1.807692308b

Simplifying
a = -1.807692308b

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