1) 9x 26 = 30 5x; 2) x 15 = 4 (6x 21); 3) 4 + 8y + 8 = 2y (10 + 7y) + 9; 4) 6 (12x 5) 13x = 59x 30; 5) 5 3 (z + 5) = 7 (2 + 3z); 6) 5 (x 3) 2 (x 7

Question

1) 9x 26 = 30 5x; 2) x 15 = 4 (6x 21); 3) 4 + 8y + 8 = 2y (10 + 7y) + 9; 4) 6 (12x 5) 13x = 59x 30; 5) 5 3 (z + 5) = 7 (2 + 3z); 6) 5 (x 3) 2 (x 7

1) 9x 26 = 30 5x; 2) x 15 = 4 (6x 21); 3) 4 + 8y + 8 = 2y (10 + 7y) + 9; 4) 6 (12x 5) 13x = 59x 30; 5) 5 3 (z + 5) = 7 (2 + 3z); 6) 5 (x 3) 2 (x 7 ) = 7 7 (2x + 6); 7) 28 20x = 2x + 25 16x 12 6x; 8) 10 4x + 3 = 9x 2 6x + 9 7x + 6.

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Accepted Answer

9х-26=30-5х 9х+5х=56 14х=56 х=4 х-15=4(6х-21) х-15=24х-84 23х=69 х=3 4+8у+8=2у-(10+7у)+9 8у-2у-7у=-4-8-10+9 -1у=-22+9 -1у = - 13 1у=13 10-4х+3=9х-2-6х+9-7х+6 -4х+13=-4х+13 0=0 6(12х-5)-13х=59х-30 72х-30-13х=59х-30 59х-30=59х-30 0=0